207901420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8969}}^1$

素因数の和:9058

約数の個数: 48

約数和(自身を含む): 467157600

約数和(自身を除く): 259256180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 8969, 11590, 17938, 23180, 35876, 44845, 89690, 170411, 179380, 340822, 547109, 681644, 852055, 1094218, 1704110, 2188436, 2735545, 3408220, 5471090, 10395071, 10942180, 20790142, 41580284, 51975355, 103950710, 207901420]

約数ペア:

[(1, 207901420), (2, 103950710), (4, 51975355), (5, 41580284), (10, 20790142), (19, 10942180), (20, 10395071), (38, 5471090), (61, 3408220), (76, 2735545), (95, 2188436), (122, 1704110), (190, 1094218), (244, 852055), (305, 681644), (380, 547109), (610, 340822), (1159, 179380), (1220, 170411), (2318, 89690), (4636, 44845), (5795, 35876), (8969, 23180), (11590, 17938)]