291245240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:957

約数の個数: 128

約数和(自身を含む): 783820800

約数和(自身を除く): 492575560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 59, 65, 88, 104, 110, 118, 130, 143, 220, 236, 260, 286, 295, 440, 472, 520, 572, 590, 649, 715, 767, 863, 1144, 1180, 1298, 1430, 1534, 1726, 2360, 2596, 2860, 3068, 3245, 3452, 3835, 4315, 5192, 5720, 6136, 6490, 6904, 7670, 8437, 8630, 9493, 11219, 12980, 15340, 16874, 17260, 18986, 22438, 25960, 30680, 33748, 34520, 37972, 42185, 44876, 47465, 50917, 56095, 67496, 75944, 84370, 89752, 94930, 101834, 112190, 123409, 168740, 189860, 203668, 224380, 246818, 254585, 337480, 379720, 407336, 448760, 493636, 509170, 560087, 617045, 661921, 987272, 1018340, 1120174, 1234090, 1323842, 2036680, 2240348, 2468180, 2647684, 2800435, 3309605, 4480696, 4936360, 5295368, 5600870, 6619210, 7281131, 11201740, 13238420, 14562262, 22403480, 26476840, 29124524, 36405655, 58249048, 72811310, 145622620, 291245240]

約数ペア:

[(1, 291245240), (2, 145622620), (4, 72811310), (5, 58249048), (8, 36405655), (10, 29124524), (11, 26476840), (13, 22403480), (20, 14562262), (22, 13238420), (26, 11201740), (40, 7281131), (44, 6619210), (52, 5600870), (55, 5295368), (59, 4936360), (65, 4480696), (88, 3309605), (104, 2800435), (110, 2647684), (118, 2468180), (130, 2240348), (143, 2036680), (220, 1323842), (236, 1234090), (260, 1120174), (286, 1018340), (295, 987272), (440, 661921), (472, 617045), (520, 560087), (572, 509170), (590, 493636), (649, 448760), (715, 407336), (767, 379720), (863, 337480), (1144, 254585), (1180, 246818), (1298, 224380), (1430, 203668), (1534, 189860), (1726, 168740), (2360, 123409), (2596, 112190), (2860, 101834), (3068, 94930), (3245, 89752), (3452, 84370), (3835, 75944), (4315, 67496), (5192, 56095), (5720, 50917), (6136, 47465), (6490, 44876), (6904, 42185), (7670, 37972), (8437, 34520), (8630, 33748), (9493, 30680), (11219, 25960), (12980, 22438), (15340, 18986), (16874, 17260)]