28868600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 72316800

約数和(自身を除く): 43448200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 71, 76, 95, 100, 107, 142, 152, 190, 200, 214, 284, 355, 380, 428, 475, 535, 568, 710, 760, 856, 950, 1070, 1349, 1420, 1775, 1900, 2033, 2140, 2675, 2698, 2840, 3550, 3800, 4066, 4280, 5350, 5396, 6745, 7100, 7597, 8132, 10165, 10700, 10792, 13490, 14200, 15194, 16264, 20330, 21400, 26980, 30388, 33725, 37985, 40660, 50825, 53960, 60776, 67450, 75970, 81320, 101650, 134900, 144343, 151940, 189925, 203300, 269800, 288686, 303880, 379850, 406600, 577372, 721715, 759700, 1154744, 1443430, 1519400, 2886860, 3608575, 5773720, 7217150, 14434300, 28868600]

約数ペア:

[(1, 28868600), (2, 14434300), (4, 7217150), (5, 5773720), (8, 3608575), (10, 2886860), (19, 1519400), (20, 1443430), (25, 1154744), (38, 759700), (40, 721715), (50, 577372), (71, 406600), (76, 379850), (95, 303880), (100, 288686), (107, 269800), (142, 203300), (152, 189925), (190, 151940), (200, 144343), (214, 134900), (284, 101650), (355, 81320), (380, 75970), (428, 67450), (475, 60776), (535, 53960), (568, 50825), (710, 40660), (760, 37985), (856, 33725), (950, 30388), (1070, 26980), (1349, 21400), (1420, 20330), (1775, 16264), (1900, 15194), (2033, 14200), (2140, 13490), (2675, 10792), (2698, 10700), (2840, 10165), (3550, 8132), (3800, 7597), (4066, 7100), (4280, 6745), (5350, 5396)]