404564260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{2539}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 880750080

約数和(自身を除く): 476185820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 1028, 1285, 2539, 2570, 5078, 5140, 7967, 10156, 12695, 15934, 25390, 31868, 39835, 50780, 78709, 79670, 157418, 159340, 314836, 393545, 652523, 787090, 1305046, 1574180, 2610092, 3262615, 6525230, 13050460, 20228213, 40456426, 80912852, 101141065, 202282130, 404564260]

約数ペア:

[(1, 404564260), (2, 202282130), (4, 101141065), (5, 80912852), (10, 40456426), (20, 20228213), (31, 13050460), (62, 6525230), (124, 3262615), (155, 2610092), (257, 1574180), (310, 1305046), (514, 787090), (620, 652523), (1028, 393545), (1285, 314836), (2539, 159340), (2570, 157418), (5078, 79670), (5140, 78709), (7967, 50780), (10156, 39835), (12695, 31868), (15934, 25390)]