397663380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4987}}^1$

素因数の和:5445

約数の個数: 72

約数和(自身を含む): 1209210912

約数和(自身を除く): 811547532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2658, 3987, 4430, 4987, 5316, 6645, 7974, 8860, 9974, 13290, 14961, 15948, 19935, 19948, 24935, 26580, 29922, 39870, 44883, 49870, 59844, 74805, 79740, 89766, 99740, 149610, 179532, 224415, 299220, 448830, 897660, 2209241, 4418482, 6627723, 8836964, 11046205, 13255446, 19883169, 22092410, 26510892, 33138615, 39766338, 44184820, 66277230, 79532676, 99415845, 132554460, 198831690, 397663380]

約数ペア:

[(1, 397663380), (2, 198831690), (3, 132554460), (4, 99415845), (5, 79532676), (6, 66277230), (9, 44184820), (10, 39766338), (12, 33138615), (15, 26510892), (18, 22092410), (20, 19883169), (30, 13255446), (36, 11046205), (45, 8836964), (60, 6627723), (90, 4418482), (180, 2209241), (443, 897660), (886, 448830), (1329, 299220), (1772, 224415), (2215, 179532), (2658, 149610), (3987, 99740), (4430, 89766), (4987, 79740), (5316, 74805), (6645, 59844), (7974, 49870), (8860, 44883), (9974, 39870), (13290, 29922), (14961, 26580), (15948, 24935), (19935, 19948)]