279508737820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3851}}^1\times {\mathrm{16421}}^1$

素因数の和:20311

約数の個数: 96

約数和(自身を含む): 669517845696

約数和(自身を除く): 390009107876

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3851, 4420, 7702, 15404, 16421, 19255, 32842, 38510, 50063, 65467, 65684, 77020, 82105, 100126, 130934, 164210, 200252, 213473, 250315, 261868, 279157, 327335, 328420, 426946, 500630, 558314, 654670, 851071, 853892, 1001260, 1067365, 1116628, 1309340, 1395785, 1702142, 2134730, 2791570, 3404284, 3629041, 4255355, 4269460, 5583140, 7258082, 8510710, 14516164, 17021420, 18145205, 36290410, 63237271, 72580820, 126474542, 252949084, 316186355, 632372710, 822084523, 1075033607, 1264745420, 1644169046, 2150067214, 3288338092, 4110422615, 4300134428, 5375168035, 8220845230, 10750336070, 13975436891, 16441690460, 21500672140, 27950873782, 55901747564, 69877184455, 139754368910, 279508737820]

約数ペア:

[(1, 279508737820), (2, 139754368910), (4, 69877184455), (5, 55901747564), (10, 27950873782), (13, 21500672140), (17, 16441690460), (20, 13975436891), (26, 10750336070), (34, 8220845230), (52, 5375168035), (65, 4300134428), (68, 4110422615), (85, 3288338092), (130, 2150067214), (170, 1644169046), (221, 1264745420), (260, 1075033607), (340, 822084523), (442, 632372710), (884, 316186355), (1105, 252949084), (2210, 126474542), (3851, 72580820), (4420, 63237271), (7702, 36290410), (15404, 18145205), (16421, 17021420), (19255, 14516164), (32842, 8510710), (38510, 7258082), (50063, 5583140), (65467, 4269460), (65684, 4255355), (77020, 3629041), (82105, 3404284), (100126, 2791570), (130934, 2134730), (164210, 1702142), (200252, 1395785), (213473, 1309340), (250315, 1116628), (261868, 1067365), (279157, 1001260), (327335, 853892), (328420, 851071), (426946, 654670), (500630, 558314)]