28691620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 62270208

約数和(自身を除く): 33578588

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 233, 235, 262, 466, 470, 524, 655, 932, 940, 1165, 1310, 2330, 2620, 4660, 6157, 10951, 12314, 21902, 24628, 30523, 30785, 43804, 54755, 61046, 61570, 109510, 122092, 123140, 152615, 219020, 305230, 610460, 1434581, 2869162, 5738324, 7172905, 14345810, 28691620]

約数ペア:

[(1, 28691620), (2, 14345810), (4, 7172905), (5, 5738324), (10, 2869162), (20, 1434581), (47, 610460), (94, 305230), (131, 219020), (188, 152615), (233, 123140), (235, 122092), (262, 109510), (466, 61570), (470, 61046), (524, 54755), (655, 43804), (932, 30785), (940, 30523), (1165, 24628), (1310, 21902), (2330, 12314), (2620, 10951), (4660, 6157)]