12618620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 30518208

約数和(自身を除く): 17899588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 521, 692, 865, 1042, 1211, 1730, 2084, 2422, 2605, 3460, 3647, 4844, 5210, 6055, 7294, 10420, 12110, 14588, 18235, 24220, 36470, 72940, 90133, 180266, 360532, 450665, 630931, 901330, 1261862, 1802660, 2523724, 3154655, 6309310, 12618620]

約数ペア:

[(1, 12618620), (2, 6309310), (4, 3154655), (5, 2523724), (7, 1802660), (10, 1261862), (14, 901330), (20, 630931), (28, 450665), (35, 360532), (70, 180266), (140, 90133), (173, 72940), (346, 36470), (521, 24220), (692, 18235), (865, 14588), (1042, 12110), (1211, 10420), (1730, 7294), (2084, 6055), (2422, 5210), (2605, 4844), (3460, 3647)]