201930760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 484542000

約数和(自身を除く): 282611240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 1192, 1490, 1993, 2533, 2980, 3986, 5066, 5960, 7972, 9965, 10132, 12665, 15944, 19930, 20264, 25330, 33881, 39860, 50660, 67762, 79720, 101320, 135524, 169405, 271048, 296957, 338810, 593914, 677620, 1187828, 1355240, 1484785, 2375656, 2969570, 5048269, 5939140, 10096538, 11878280, 20193076, 25241345, 40386152, 50482690, 100965380, 201930760]

約数ペア:

[(1, 201930760), (2, 100965380), (4, 50482690), (5, 40386152), (8, 25241345), (10, 20193076), (17, 11878280), (20, 10096538), (34, 5939140), (40, 5048269), (68, 2969570), (85, 2375656), (136, 1484785), (149, 1355240), (170, 1187828), (298, 677620), (340, 593914), (596, 338810), (680, 296957), (745, 271048), (1192, 169405), (1490, 135524), (1993, 101320), (2533, 79720), (2980, 67762), (3986, 50660), (5066, 39860), (5960, 33881), (7972, 25330), (9965, 20264), (10132, 19930), (12665, 15944)]