311965940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5741}}^1$

素因数の和:5793

約数の個数: 96

約数和(自身を含む): 810311040

約数和(自身を除く): 498345100

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 380, 418, 494, 572, 715, 836, 988, 1045, 1235, 1430, 2090, 2470, 2717, 2860, 4180, 4940, 5434, 5741, 10868, 11482, 13585, 22964, 27170, 28705, 54340, 57410, 63151, 74633, 109079, 114820, 126302, 149266, 218158, 252604, 298532, 315755, 373165, 436316, 545395, 631510, 746330, 820963, 1090790, 1199869, 1263020, 1418027, 1492660, 1641926, 2181580, 2399738, 2836054, 3283852, 4104815, 4799476, 5672108, 5999345, 7090135, 8209630, 11998690, 14180270, 15598297, 16419260, 23997380, 28360540, 31196594, 62393188, 77991485, 155982970, 311965940]

約数ペア:

[(1, 311965940), (2, 155982970), (4, 77991485), (5, 62393188), (10, 31196594), (11, 28360540), (13, 23997380), (19, 16419260), (20, 15598297), (22, 14180270), (26, 11998690), (38, 8209630), (44, 7090135), (52, 5999345), (55, 5672108), (65, 4799476), (76, 4104815), (95, 3283852), (110, 2836054), (130, 2399738), (143, 2181580), (190, 1641926), (209, 1492660), (220, 1418027), (247, 1263020), (260, 1199869), (286, 1090790), (380, 820963), (418, 746330), (494, 631510), (572, 545395), (715, 436316), (836, 373165), (988, 315755), (1045, 298532), (1235, 252604), (1430, 218158), (2090, 149266), (2470, 126302), (2717, 114820), (2860, 109079), (4180, 74633), (4940, 63151), (5434, 57410), (5741, 54340), (10868, 28705), (11482, 27170), (13585, 22964)]