275398620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 902901888

約数和(自身を除く): 627503268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 283, 294, 331, 420, 490, 566, 588, 662, 735, 849, 980, 993, 1132, 1324, 1415, 1470, 1655, 1698, 1981, 1986, 2317, 2830, 2940, 3310, 3396, 3962, 3972, 4245, 4634, 4965, 5660, 5943, 6620, 6951, 7924, 8490, 9268, 9905, 9930, 11585, 11886, 13867, 13902, 16219, 16980, 19810, 19860, 23170, 23772, 27734, 27804, 29715, 32438, 34755, 39620, 41601, 46340, 48657, 55468, 59430, 64876, 69335, 69510, 81095, 83202, 93673, 97314, 118860, 138670, 139020, 162190, 166404, 187346, 194628, 208005, 243285, 277340, 281019, 324380, 374692, 416010, 468365, 486570, 562038, 655711, 832020, 936730, 973140, 1124076, 1311422, 1405095, 1873460, 1967133, 2622844, 2810190, 3278555, 3934266, 4589977, 5620380, 6557110, 7868532, 9179954, 9835665, 13114220, 13769931, 18359908, 19671330, 22949885, 27539862, 39342660, 45899770, 55079724, 68849655, 91799540, 137699310, 275398620]

約数ペア:

[(1, 275398620), (2, 137699310), (3, 91799540), (4, 68849655), (5, 55079724), (6, 45899770), (7, 39342660), (10, 27539862), (12, 22949885), (14, 19671330), (15, 18359908), (20, 13769931), (21, 13114220), (28, 9835665), (30, 9179954), (35, 7868532), (42, 6557110), (49, 5620380), (60, 4589977), (70, 3934266), (84, 3278555), (98, 2810190), (105, 2622844), (140, 1967133), (147, 1873460), (196, 1405095), (210, 1311422), (245, 1124076), (283, 973140), (294, 936730), (331, 832020), (420, 655711), (490, 562038), (566, 486570), (588, 468365), (662, 416010), (735, 374692), (849, 324380), (980, 281019), (993, 277340), (1132, 243285), (1324, 208005), (1415, 194628), (1470, 187346), (1655, 166404), (1698, 162190), (1981, 139020), (1986, 138670), (2317, 118860), (2830, 97314), (2940, 93673), (3310, 83202), (3396, 81095), (3962, 69510), (3972, 69335), (4245, 64876), (4634, 59430), (4965, 55468), (5660, 48657), (5943, 46340), (6620, 41601), (6951, 39620), (7924, 34755), (8490, 32438), (9268, 29715), (9905, 27804), (9930, 27734), (11585, 23772), (11886, 23170), (13867, 19860), (13902, 19810), (16219, 16980)]