203429660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2789}}^1$

素因数の和:3326

約数の個数: 48

約数和(自身を含む): 489343680

約数和(自身を除く): 285914020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 2084, 2605, 2789, 3647, 5210, 5578, 7294, 10420, 11156, 13945, 14588, 18235, 19523, 27890, 36470, 39046, 55780, 72940, 78092, 97615, 195230, 390460, 1453069, 2906138, 5812276, 7265345, 10171483, 14530690, 20342966, 29061380, 40685932, 50857415, 101714830, 203429660]

約数ペア:

[(1, 203429660), (2, 101714830), (4, 50857415), (5, 40685932), (7, 29061380), (10, 20342966), (14, 14530690), (20, 10171483), (28, 7265345), (35, 5812276), (70, 2906138), (140, 1453069), (521, 390460), (1042, 195230), (2084, 97615), (2605, 78092), (2789, 72940), (3647, 55780), (5210, 39046), (5578, 36470), (7294, 27890), (10420, 19523), (11156, 18235), (13945, 14588)]