404160400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 1195637760

約数和(自身を除く): 791477360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 71, 76, 80, 95, 100, 107, 112, 133, 140, 142, 152, 175, 190, 200, 214, 266, 280, 284, 304, 350, 355, 380, 400, 428, 475, 497, 532, 535, 560, 568, 665, 700, 710, 749, 760, 856, 950, 994, 1064, 1070, 1136, 1330, 1349, 1400, 1420, 1498, 1520, 1712, 1775, 1900, 1988, 2033, 2128, 2140, 2485, 2660, 2675, 2698, 2800, 2840, 2996, 3325, 3550, 3745, 3800, 3976, 4066, 4280, 4970, 5320, 5350, 5396, 5680, 5992, 6650, 6745, 7100, 7490, 7597, 7600, 7952, 8132, 8560, 9443, 9940, 10165, 10640, 10700, 10792, 11984, 12425, 13300, 13490, 14200, 14231, 14980, 15194, 16264, 18725, 18886, 19880, 20330, 21400, 21584, 24850, 26600, 26980, 28400, 28462, 29960, 30388, 32528, 33725, 37450, 37772, 37985, 39760, 40660, 42800, 47215, 49700, 50825, 53179, 53200, 53960, 56924, 59920, 60776, 67450, 71155, 74900, 75544, 75970, 81320, 94430, 99400, 101650, 106358, 107920, 113848, 121552, 134900, 142310, 144343, 149800, 151088, 151940, 162640, 188860, 189925, 198800, 203300, 212716, 227696, 236075, 265895, 269800, 284620, 288686, 299600, 303880, 355775, 377720, 379850, 406600, 425432, 472150, 531790, 539600, 569240, 577372, 607760, 711550, 721715, 755440, 759700, 813200, 850864, 944300, 1010401, 1063580, 1138480, 1154744, 1329475, 1423100, 1443430, 1519400, 1888600, 2020802, 2127160, 2309488, 2658950, 2846200, 2886860, 3038800, 3608575, 3777200, 4041604, 4254320, 5052005, 5317900, 5692400, 5773720, 7217150, 8083208, 10104010, 10635800, 11547440, 14434300, 16166416, 20208020, 21271600, 25260025, 28868600, 40416040, 50520050, 57737200, 80832080, 101040100, 202080200, 404160400]

約数ペア:

[(1, 404160400), (2, 202080200), (4, 101040100), (5, 80832080), (7, 57737200), (8, 50520050), (10, 40416040), (14, 28868600), (16, 25260025), (19, 21271600), (20, 20208020), (25, 16166416), (28, 14434300), (35, 11547440), (38, 10635800), (40, 10104010), (50, 8083208), (56, 7217150), (70, 5773720), (71, 5692400), (76, 5317900), (80, 5052005), (95, 4254320), (100, 4041604), (107, 3777200), (112, 3608575), (133, 3038800), (140, 2886860), (142, 2846200), (152, 2658950), (175, 2309488), (190, 2127160), (200, 2020802), (214, 1888600), (266, 1519400), (280, 1443430), (284, 1423100), (304, 1329475), (350, 1154744), (355, 1138480), (380, 1063580), (400, 1010401), (428, 944300), (475, 850864), (497, 813200), (532, 759700), (535, 755440), (560, 721715), (568, 711550), (665, 607760), (700, 577372), (710, 569240), (749, 539600), (760, 531790), (856, 472150), (950, 425432), (994, 406600), (1064, 379850), (1070, 377720), (1136, 355775), (1330, 303880), (1349, 299600), (1400, 288686), (1420, 284620), (1498, 269800), (1520, 265895), (1712, 236075), (1775, 227696), (1900, 212716), (1988, 203300), (2033, 198800), (2128, 189925), (2140, 188860), (2485, 162640), (2660, 151940), (2675, 151088), (2698, 149800), (2800, 144343), (2840, 142310), (2996, 134900), (3325, 121552), (3550, 113848), (3745, 107920), (3800, 106358), (3976, 101650), (4066, 99400), (4280, 94430), (4970, 81320), (5320, 75970), (5350, 75544), (5396, 74900), (5680, 71155), (5992, 67450), (6650, 60776), (6745, 59920), (7100, 56924), (7490, 53960), (7597, 53200), (7600, 53179), (7952, 50825), (8132, 49700), (8560, 47215), (9443, 42800), (9940, 40660), (10165, 39760), (10640, 37985), (10700, 37772), (10792, 37450), (11984, 33725), (12425, 32528), (13300, 30388), (13490, 29960), (14200, 28462), (14231, 28400), (14980, 26980), (15194, 26600), (16264, 24850), (18725, 21584), (18886, 21400), (19880, 20330)]