157070420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1553}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 356363280

約数和(自身を除く): 199292860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1553, 1556, 1945, 3106, 3890, 5057, 6212, 7765, 7780, 10114, 15530, 20189, 20228, 25285, 31060, 40378, 50570, 80756, 100945, 101140, 201890, 403780, 604117, 1208234, 2416468, 3020585, 6041170, 7853521, 12082340, 15707042, 31414084, 39267605, 78535210, 157070420]

約数ペア:

[(1, 157070420), (2, 78535210), (4, 39267605), (5, 31414084), (10, 15707042), (13, 12082340), (20, 7853521), (26, 6041170), (52, 3020585), (65, 2416468), (130, 1208234), (260, 604117), (389, 403780), (778, 201890), (1553, 101140), (1556, 100945), (1945, 80756), (3106, 50570), (3890, 40378), (5057, 31060), (6212, 25285), (7765, 20228), (7780, 20189), (10114, 15530)]