189896080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7016

約数の個数: 80

約数和(自身を含む): 497253888

約数和(自身を除く): 307357808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 6961, 13640, 13922, 27280, 27844, 34805, 55688, 69610, 76571, 111376, 139220, 153142, 215791, 278440, 306284, 382855, 431582, 556880, 612568, 765710, 863164, 1078955, 1225136, 1531420, 1726328, 2157910, 2373701, 3062840, 3452656, 4315820, 4747402, 6125680, 8631640, 9494804, 11868505, 17263280, 18989608, 23737010, 37979216, 47474020, 94948040, 189896080]

約数ペア:

[(1, 189896080), (2, 94948040), (4, 47474020), (5, 37979216), (8, 23737010), (10, 18989608), (11, 17263280), (16, 11868505), (20, 9494804), (22, 8631640), (31, 6125680), (40, 4747402), (44, 4315820), (55, 3452656), (62, 3062840), (80, 2373701), (88, 2157910), (110, 1726328), (124, 1531420), (155, 1225136), (176, 1078955), (220, 863164), (248, 765710), (310, 612568), (341, 556880), (440, 431582), (496, 382855), (620, 306284), (682, 278440), (880, 215791), (1240, 153142), (1364, 139220), (1705, 111376), (2480, 76571), (2728, 69610), (3410, 55688), (5456, 34805), (6820, 27844), (6961, 27280), (13640, 13922)]