90823420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4051}}^1$

素因数の和:4138

約数の個数: 48

約数和(自身を含む): 204220800

約数和(自身を除く): 113397380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4051, 4484, 5605, 8102, 11210, 16204, 20255, 22420, 40510, 76969, 81020, 153938, 239009, 307876, 384845, 478018, 769690, 956036, 1195045, 1539380, 2390090, 4541171, 4780180, 9082342, 18164684, 22705855, 45411710, 90823420]

約数ペア:

[(1, 90823420), (2, 45411710), (4, 22705855), (5, 18164684), (10, 9082342), (19, 4780180), (20, 4541171), (38, 2390090), (59, 1539380), (76, 1195045), (95, 956036), (118, 769690), (190, 478018), (236, 384845), (295, 307876), (380, 239009), (590, 153938), (1121, 81020), (1180, 76969), (2242, 40510), (4051, 22420), (4484, 20255), (5605, 16204), (8102, 11210)]