248779160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 681523200

約数和(自身を除く): 432744040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 101, 133, 140, 152, 190, 202, 266, 280, 380, 404, 463, 505, 532, 665, 707, 760, 808, 926, 1010, 1064, 1330, 1414, 1852, 1919, 2020, 2315, 2660, 2828, 3241, 3535, 3704, 3838, 4040, 4630, 5320, 5656, 6482, 7070, 7676, 8797, 9260, 9595, 12964, 13433, 14140, 15352, 16205, 17594, 18520, 19190, 25928, 26866, 28280, 32410, 35188, 38380, 43985, 46763, 53732, 61579, 64820, 67165, 70376, 76760, 87970, 93526, 107464, 123158, 129640, 134330, 175940, 187052, 233815, 246316, 268660, 307895, 327341, 351880, 374104, 467630, 492632, 537320, 615790, 654682, 888497, 935260, 1231580, 1309364, 1636705, 1776994, 1870520, 2463160, 2618728, 3273410, 3553988, 4442485, 6219479, 6546820, 7107976, 8884970, 12438958, 13093640, 17769940, 24877916, 31097395, 35539880, 49755832, 62194790, 124389580, 248779160]

約数ペア:

[(1, 248779160), (2, 124389580), (4, 62194790), (5, 49755832), (7, 35539880), (8, 31097395), (10, 24877916), (14, 17769940), (19, 13093640), (20, 12438958), (28, 8884970), (35, 7107976), (38, 6546820), (40, 6219479), (56, 4442485), (70, 3553988), (76, 3273410), (95, 2618728), (101, 2463160), (133, 1870520), (140, 1776994), (152, 1636705), (190, 1309364), (202, 1231580), (266, 935260), (280, 888497), (380, 654682), (404, 615790), (463, 537320), (505, 492632), (532, 467630), (665, 374104), (707, 351880), (760, 327341), (808, 307895), (926, 268660), (1010, 246316), (1064, 233815), (1330, 187052), (1414, 175940), (1852, 134330), (1919, 129640), (2020, 123158), (2315, 107464), (2660, 93526), (2828, 87970), (3241, 76760), (3535, 70376), (3704, 67165), (3838, 64820), (4040, 61579), (4630, 53732), (5320, 46763), (5656, 43985), (6482, 38380), (7070, 35188), (7676, 32410), (8797, 28280), (9260, 26866), (9595, 25928), (12964, 19190), (13433, 18520), (14140, 17594), (15352, 16205)]