290469740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{12113}}^1$

素因数の和:12242

約数の個数: 48

約数和(自身を含む): 671600160

約数和(自身を除く): 381130420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 12113, 23980, 24226, 48452, 60565, 121130, 133243, 242260, 266486, 532972, 666215, 1320317, 1332430, 2640634, 2664860, 5281268, 6601585, 13203170, 14523487, 26406340, 29046974, 58093948, 72617435, 145234870, 290469740]

約数ペア:

[(1, 290469740), (2, 145234870), (4, 72617435), (5, 58093948), (10, 29046974), (11, 26406340), (20, 14523487), (22, 13203170), (44, 6601585), (55, 5281268), (109, 2664860), (110, 2640634), (218, 1332430), (220, 1320317), (436, 666215), (545, 532972), (1090, 266486), (1199, 242260), (2180, 133243), (2398, 121130), (4796, 60565), (5995, 48452), (11990, 24226), (12113, 23980)]