89774440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 231672960

約数和(自身を除く): 141898520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 491, 653, 982, 1306, 1964, 2455, 2612, 3265, 3437, 3928, 4571, 4910, 5224, 6530, 6874, 9142, 9820, 13060, 13748, 17185, 18284, 19640, 22855, 26120, 27496, 34370, 36568, 45710, 68740, 91420, 137480, 182840, 320623, 641246, 1282492, 1603115, 2244361, 2564984, 3206230, 4488722, 6412460, 8977444, 11221805, 12824920, 17954888, 22443610, 44887220, 89774440]

約数ペア:

[(1, 89774440), (2, 44887220), (4, 22443610), (5, 17954888), (7, 12824920), (8, 11221805), (10, 8977444), (14, 6412460), (20, 4488722), (28, 3206230), (35, 2564984), (40, 2244361), (56, 1603115), (70, 1282492), (140, 641246), (280, 320623), (491, 182840), (653, 137480), (982, 91420), (1306, 68740), (1964, 45710), (2455, 36568), (2612, 34370), (3265, 27496), (3437, 26120), (3928, 22855), (4571, 19640), (4910, 18284), (5224, 17185), (6530, 13748), (6874, 13060), (9142, 9820)]