389974420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 930004992

約数和(自身を除く): 540030572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 211, 220, 271, 310, 341, 422, 542, 620, 682, 844, 1055, 1084, 1355, 1364, 1705, 2110, 2321, 2710, 2981, 3410, 4220, 4642, 5420, 5962, 6541, 6820, 8401, 9284, 11605, 11924, 13082, 14905, 16802, 23210, 26164, 29810, 32705, 33604, 42005, 46420, 57181, 59620, 65410, 71951, 84010, 92411, 114362, 130820, 143902, 168020, 184822, 228724, 285905, 287804, 359755, 369644, 462055, 571810, 628991, 719510, 924110, 1143620, 1257982, 1439020, 1772611, 1848220, 2515964, 3144955, 3545222, 6289910, 7090444, 8863055, 12579820, 17726110, 19498721, 35452220, 38997442, 77994884, 97493605, 194987210, 389974420]

約数ペア:

[(1, 389974420), (2, 194987210), (4, 97493605), (5, 77994884), (10, 38997442), (11, 35452220), (20, 19498721), (22, 17726110), (31, 12579820), (44, 8863055), (55, 7090444), (62, 6289910), (110, 3545222), (124, 3144955), (155, 2515964), (211, 1848220), (220, 1772611), (271, 1439020), (310, 1257982), (341, 1143620), (422, 924110), (542, 719510), (620, 628991), (682, 571810), (844, 462055), (1055, 369644), (1084, 359755), (1355, 287804), (1364, 285905), (1705, 228724), (2110, 184822), (2321, 168020), (2710, 143902), (2981, 130820), (3410, 114362), (4220, 92411), (4642, 84010), (5420, 71951), (5962, 65410), (6541, 59620), (6820, 57181), (8401, 46420), (9284, 42005), (11605, 33604), (11924, 32705), (13082, 29810), (14905, 26164), (16802, 23210)]