389969190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25639}}^1$

素因数の和:25678

約数の個数: 72

約数和(自身を含む): 1097956080

約数和(自身を除く): 707986890

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 7605, 15210, 25639, 51278, 76917, 128195, 153834, 230751, 256390, 333307, 384585, 461502, 666614, 769170, 999921, 1153755, 1666535, 1999842, 2307510, 2999763, 3333070, 4332991, 4999605, 5999526, 8665982, 9999210, 12998973, 14998815, 21664955, 25997946, 29997630, 38996919, 43329910, 64994865, 77993838, 129989730, 194984595, 389969190]

約数ペア:

[(1, 389969190), (2, 194984595), (3, 129989730), (5, 77993838), (6, 64994865), (9, 43329910), (10, 38996919), (13, 29997630), (15, 25997946), (18, 21664955), (26, 14998815), (30, 12998973), (39, 9999210), (45, 8665982), (65, 5999526), (78, 4999605), (90, 4332991), (117, 3333070), (130, 2999763), (169, 2307510), (195, 1999842), (234, 1666535), (338, 1153755), (390, 999921), (507, 769170), (585, 666614), (845, 461502), (1014, 384585), (1170, 333307), (1521, 256390), (1690, 230751), (2535, 153834), (3042, 128195), (5070, 76917), (7605, 51278), (15210, 25639)]