70690420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 157988880

約数和(自身を除く): 87298460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 809, 1028, 1285, 1618, 2570, 3236, 4045, 4369, 5140, 8090, 8738, 13753, 16180, 17476, 21845, 27506, 43690, 55012, 68765, 87380, 137530, 207913, 275060, 415826, 831652, 1039565, 2079130, 3534521, 4158260, 7069042, 14138084, 17672605, 35345210, 70690420]

約数ペア:

[(1, 70690420), (2, 35345210), (4, 17672605), (5, 14138084), (10, 7069042), (17, 4158260), (20, 3534521), (34, 2079130), (68, 1039565), (85, 831652), (170, 415826), (257, 275060), (340, 207913), (514, 137530), (809, 87380), (1028, 68765), (1285, 55012), (1618, 43690), (2570, 27506), (3236, 21845), (4045, 17476), (4369, 16180), (5140, 13753), (8090, 8738)]