221967760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{653}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 591676416

約数和(自身を除く): 369708656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 607, 653, 1214, 1306, 2428, 2612, 3035, 3265, 4249, 4571, 4856, 5224, 6070, 6530, 8498, 9142, 9712, 10448, 12140, 13060, 16996, 18284, 21245, 22855, 24280, 26120, 33992, 36568, 42490, 45710, 48560, 52240, 67984, 73136, 84980, 91420, 169960, 182840, 339920, 365680, 396371, 792742, 1585484, 1981855, 2774597, 3170968, 3963710, 5549194, 6341936, 7927420, 11098388, 13872985, 15854840, 22196776, 27745970, 31709680, 44393552, 55491940, 110983880, 221967760]

約数ペア:

[(1, 221967760), (2, 110983880), (4, 55491940), (5, 44393552), (7, 31709680), (8, 27745970), (10, 22196776), (14, 15854840), (16, 13872985), (20, 11098388), (28, 7927420), (35, 6341936), (40, 5549194), (56, 3963710), (70, 3170968), (80, 2774597), (112, 1981855), (140, 1585484), (280, 792742), (560, 396371), (607, 365680), (653, 339920), (1214, 182840), (1306, 169960), (2428, 91420), (2612, 84980), (3035, 73136), (3265, 67984), (4249, 52240), (4571, 48560), (4856, 45710), (5224, 42490), (6070, 36568), (6530, 33992), (8498, 26120), (9142, 24280), (9712, 22855), (10448, 21245), (12140, 18284), (13060, 16996)]