311450490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 144

約数和(自身を含む): 904352904

約数和(自身を除く): 592902414

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 277, 279, 310, 390, 403, 465, 554, 558, 585, 806, 831, 930, 961, 1170, 1209, 1385, 1395, 1662, 1922, 2015, 2418, 2493, 2770, 2790, 2883, 3601, 3627, 4030, 4155, 4805, 4986, 5766, 6045, 7202, 7254, 8310, 8587, 8649, 9610, 10803, 12090, 12465, 12493, 14415, 17174, 17298, 18005, 18135, 21606, 24930, 24986, 25761, 28830, 32409, 36010, 36270, 37479, 42935, 43245, 51522, 54015, 62465, 64818, 74958, 77283, 85870, 86490, 108030, 111631, 112437, 124930, 128805, 154566, 162045, 187395, 223262, 224874, 257610, 266197, 324090, 334893, 374790, 386415, 532394, 558155, 562185, 669786, 772830, 798591, 1004679, 1116310, 1124370, 1330985, 1597182, 1674465, 2009358, 2395773, 2661970, 3348930, 3460561, 3992955, 4791546, 5023395, 6921122, 7985910, 10046790, 10381683, 11978865, 17302805, 20763366, 23957730, 31145049, 34605610, 51908415, 62290098, 103816830, 155725245, 311450490]

約数ペア:

[(1, 311450490), (2, 155725245), (3, 103816830), (5, 62290098), (6, 51908415), (9, 34605610), (10, 31145049), (13, 23957730), (15, 20763366), (18, 17302805), (26, 11978865), (30, 10381683), (31, 10046790), (39, 7985910), (45, 6921122), (62, 5023395), (65, 4791546), (78, 3992955), (90, 3460561), (93, 3348930), (117, 2661970), (130, 2395773), (155, 2009358), (186, 1674465), (195, 1597182), (234, 1330985), (277, 1124370), (279, 1116310), (310, 1004679), (390, 798591), (403, 772830), (465, 669786), (554, 562185), (558, 558155), (585, 532394), (806, 386415), (831, 374790), (930, 334893), (961, 324090), (1170, 266197), (1209, 257610), (1385, 224874), (1395, 223262), (1662, 187395), (1922, 162045), (2015, 154566), (2418, 128805), (2493, 124930), (2770, 112437), (2790, 111631), (2883, 108030), (3601, 86490), (3627, 85870), (4030, 77283), (4155, 74958), (4805, 64818), (4986, 62465), (5766, 54015), (6045, 51522), (7202, 43245), (7254, 42935), (8310, 37479), (8587, 36270), (8649, 36010), (9610, 32409), (10803, 28830), (12090, 25761), (12465, 24986), (12493, 24930), (14415, 21606), (17174, 18135), (17298, 18005)]