421968900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 1347302656

約数和(自身を除く): 925333756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 150, 155, 157, 170, 186, 204, 255, 289, 300, 310, 314, 340, 372, 425, 465, 471, 510, 527, 578, 620, 628, 775, 785, 850, 867, 930, 942, 1020, 1054, 1156, 1275, 1445, 1550, 1570, 1581, 1700, 1734, 1860, 1884, 2108, 2325, 2355, 2550, 2635, 2669, 2890, 3100, 3140, 3162, 3468, 3925, 4335, 4650, 4710, 4867, 5100, 5270, 5338, 5780, 6324, 7225, 7850, 7905, 8007, 8670, 8959, 9300, 9420, 9734, 10540, 10676, 11775, 13175, 13345, 14450, 14601, 15700, 15810, 16014, 17340, 17918, 19468, 21675, 23550, 24335, 26350, 26690, 26877, 28900, 29202, 31620, 32028, 35836, 39525, 40035, 43350, 44795, 45373, 47100, 48670, 52700, 53380, 53754, 58404, 66725, 73005, 79050, 80070, 82739, 86700, 89590, 90746, 97340, 107508, 121675, 133450, 134385, 136119, 146010, 158100, 160140, 165478, 179180, 181492, 200175, 223975, 226865, 243350, 248217, 266900, 268770, 272238, 292020, 330956, 365025, 400350, 413695, 447950, 453730, 486700, 496434, 537540, 544476, 671925, 680595, 730050, 800700, 827390, 895900, 907460, 992868, 1134325, 1241085, 1343850, 1361190, 1406563, 1460100, 1654780, 2068475, 2268650, 2482170, 2687700, 2722380, 2813126, 3402975, 4136950, 4219689, 4537300, 4964340, 5626252, 6205425, 6805950, 7032815, 8273900, 8439378, 12410850, 13611900, 14065630, 16878756, 21098445, 24821700, 28131260, 35164075, 42196890, 70328150, 84393780, 105492225, 140656300, 210984450, 421968900]

約数ペア:

[(1, 421968900), (2, 210984450), (3, 140656300), (4, 105492225), (5, 84393780), (6, 70328150), (10, 42196890), (12, 35164075), (15, 28131260), (17, 24821700), (20, 21098445), (25, 16878756), (30, 14065630), (31, 13611900), (34, 12410850), (50, 8439378), (51, 8273900), (60, 7032815), (62, 6805950), (68, 6205425), (75, 5626252), (85, 4964340), (93, 4537300), (100, 4219689), (102, 4136950), (124, 3402975), (150, 2813126), (155, 2722380), (157, 2687700), (170, 2482170), (186, 2268650), (204, 2068475), (255, 1654780), (289, 1460100), (300, 1406563), (310, 1361190), (314, 1343850), (340, 1241085), (372, 1134325), (425, 992868), (465, 907460), (471, 895900), (510, 827390), (527, 800700), (578, 730050), (620, 680595), (628, 671925), (775, 544476), (785, 537540), (850, 496434), (867, 486700), (930, 453730), (942, 447950), (1020, 413695), (1054, 400350), (1156, 365025), (1275, 330956), (1445, 292020), (1550, 272238), (1570, 268770), (1581, 266900), (1700, 248217), (1734, 243350), (1860, 226865), (1884, 223975), (2108, 200175), (2325, 181492), (2355, 179180), (2550, 165478), (2635, 160140), (2669, 158100), (2890, 146010), (3100, 136119), (3140, 134385), (3162, 133450), (3468, 121675), (3925, 107508), (4335, 97340), (4650, 90746), (4710, 89590), (4867, 86700), (5100, 82739), (5270, 80070), (5338, 79050), (5780, 73005), (6324, 66725), (7225, 58404), (7850, 53754), (7905, 53380), (8007, 52700), (8670, 48670), (8959, 47100), (9300, 45373), (9420, 44795), (9734, 43350), (10540, 40035), (10676, 39525), (11775, 35836), (13175, 32028), (13345, 31620), (14450, 29202), (14601, 28900), (15700, 26877), (15810, 26690), (16014, 26350), (17340, 24335), (17918, 23550), (19468, 21675)]