890591940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37201}}^1$

素因数の和:37242

約数の個数: 144

約数和(自身を含む): 3249966720

約数和(自身を除く): 2359374780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 37201, 74402, 111603, 148804, 186005, 223206, 260407, 334809, 372010, 446412, 520814, 558015, 669618, 706819, 744020, 781221, 1041628, 1116030, 1302035, 1339236, 1413638, 1562442, 1674045, 2120457, 2232060, 2343663, 2604070, 2827276, 3124884, 3348090, 3534095, 3906105, 4240914, 4687326, 4947733, 5208140, 6361371, 6696180, 7068190, 7812210, 8481828, 9374652, 9895466, 10602285, 11718315, 12722742, 14136380, 14843199, 15624420, 19790932, 21204570, 23436630, 24738665, 25445484, 29686398, 31806855, 42409140, 44529597, 46873260, 49477330, 59372796, 63613710, 74215995, 89059194, 98954660, 127227420, 148431990, 178118388, 222647985, 296863980, 445295970, 890591940]

約数ペア:

[(1, 890591940), (2, 445295970), (3, 296863980), (4, 222647985), (5, 178118388), (6, 148431990), (7, 127227420), (9, 98954660), (10, 89059194), (12, 74215995), (14, 63613710), (15, 59372796), (18, 49477330), (19, 46873260), (20, 44529597), (21, 42409140), (28, 31806855), (30, 29686398), (35, 25445484), (36, 24738665), (38, 23436630), (42, 21204570), (45, 19790932), (57, 15624420), (60, 14843199), (63, 14136380), (70, 12722742), (76, 11718315), (84, 10602285), (90, 9895466), (95, 9374652), (105, 8481828), (114, 7812210), (126, 7068190), (133, 6696180), (140, 6361371), (171, 5208140), (180, 4947733), (190, 4687326), (210, 4240914), (228, 3906105), (252, 3534095), (266, 3348090), (285, 3124884), (315, 2827276), (342, 2604070), (380, 2343663), (399, 2232060), (420, 2120457), (532, 1674045), (570, 1562442), (630, 1413638), (665, 1339236), (684, 1302035), (798, 1116030), (855, 1041628), (1140, 781221), (1197, 744020), (1260, 706819), (1330, 669618), (1596, 558015), (1710, 520814), (1995, 446412), (2394, 372010), (2660, 334809), (3420, 260407), (3990, 223206), (4788, 186005), (5985, 148804), (7980, 111603), (11970, 74402), (23940, 37201)]