2019790520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{75253}}^1$

素因数の和:75336

約数の個数: 64

約数和(自身を含む): 5039007840

約数和(自身を除く): 3019217320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420, 26840, 75253, 150506, 301012, 376265, 602024, 752530, 827783, 1505060, 1655566, 3010120, 3311132, 4138915, 4590433, 6622264, 8277830, 9180866, 16555660, 18361732, 22952165, 33111320, 36723464, 45904330, 50494763, 91808660, 100989526, 183617320, 201979052, 252473815, 403958104, 504947630, 1009895260, 2019790520]

約数ペア:

[(1, 2019790520), (2, 1009895260), (4, 504947630), (5, 403958104), (8, 252473815), (10, 201979052), (11, 183617320), (20, 100989526), (22, 91808660), (40, 50494763), (44, 45904330), (55, 36723464), (61, 33111320), (88, 22952165), (110, 18361732), (122, 16555660), (220, 9180866), (244, 8277830), (305, 6622264), (440, 4590433), (488, 4138915), (610, 3311132), (671, 3010120), (1220, 1655566), (1342, 1505060), (2440, 827783), (2684, 752530), (3355, 602024), (5368, 376265), (6710, 301012), (13420, 150506), (26840, 75253)]