202379830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 395136000

約数和(自身を除く): 192756170

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 97, 139, 158, 190, 194, 278, 395, 485, 695, 790, 970, 1390, 1501, 1843, 2641, 3002, 3686, 5282, 7505, 7663, 9215, 10981, 13205, 13483, 15010, 15326, 18430, 21962, 26410, 26966, 38315, 54905, 67415, 76630, 109810, 134830, 145597, 208639, 256177, 291194, 417278, 512354, 727985, 1043195, 1065157, 1280885, 1455970, 2086390, 2130314, 2561770, 5325785, 10651570, 20237983, 40475966, 101189915, 202379830]

約数ペア:

[(1, 202379830), (2, 101189915), (5, 40475966), (10, 20237983), (19, 10651570), (38, 5325785), (79, 2561770), (95, 2130314), (97, 2086390), (139, 1455970), (158, 1280885), (190, 1065157), (194, 1043195), (278, 727985), (395, 512354), (485, 417278), (695, 291194), (790, 256177), (970, 208639), (1390, 145597), (1501, 134830), (1843, 109810), (2641, 76630), (3002, 67415), (3686, 54905), (5282, 38315), (7505, 26966), (7663, 26410), (9215, 21962), (10981, 18430), (13205, 15326), (13483, 15010)]