8071700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 21581952

約数和(自身を除く): 13510252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 887, 910, 1300, 1774, 1820, 2275, 3548, 4435, 4550, 6209, 8870, 9100, 11531, 12418, 17740, 22175, 23062, 24836, 31045, 44350, 46124, 57655, 62090, 80717, 88700, 115310, 124180, 155225, 161434, 230620, 288275, 310450, 322868, 403585, 576550, 620900, 807170, 1153100, 1614340, 2017925, 4035850, 8071700]

約数ペア:

[(1, 8071700), (2, 4035850), (4, 2017925), (5, 1614340), (7, 1153100), (10, 807170), (13, 620900), (14, 576550), (20, 403585), (25, 322868), (26, 310450), (28, 288275), (35, 230620), (50, 161434), (52, 155225), (65, 124180), (70, 115310), (91, 88700), (100, 80717), (130, 62090), (140, 57655), (175, 46124), (182, 44350), (260, 31045), (325, 24836), (350, 23062), (364, 22175), (455, 17740), (650, 12418), (700, 11531), (887, 9100), (910, 8870), (1300, 6209), (1774, 4550), (1820, 4435), (2275, 3548)]