200485460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1373}}^1$

素因数の和:1545

約数の個数: 72

約数和(自身を含む): 493403400

約数和(自身を除く): 292917940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 980, 1043, 1373, 1490, 2086, 2746, 2980, 4172, 5215, 5492, 6865, 7301, 9611, 10430, 13730, 14602, 19222, 20860, 27460, 29204, 36505, 38444, 48055, 67277, 73010, 96110, 134554, 146020, 192220, 204577, 269108, 336385, 409154, 672770, 818308, 1022885, 1345540, 1432039, 2045770, 2864078, 4091540, 5728156, 7160195, 10024273, 14320390, 20048546, 28640780, 40097092, 50121365, 100242730, 200485460]

約数ペア:

[(1, 200485460), (2, 100242730), (4, 50121365), (5, 40097092), (7, 28640780), (10, 20048546), (14, 14320390), (20, 10024273), (28, 7160195), (35, 5728156), (49, 4091540), (70, 2864078), (98, 2045770), (140, 1432039), (149, 1345540), (196, 1022885), (245, 818308), (298, 672770), (490, 409154), (596, 336385), (745, 269108), (980, 204577), (1043, 192220), (1373, 146020), (1490, 134554), (2086, 96110), (2746, 73010), (2980, 67277), (4172, 48055), (5215, 38444), (5492, 36505), (6865, 29204), (7301, 27460), (9611, 20860), (10430, 19222), (13730, 14602)]