154927190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 311698800

約数和(自身を除く): 156771610

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 305, 605, 610, 671, 1210, 1342, 2099, 3355, 4198, 6710, 7381, 10495, 14762, 20990, 23089, 36905, 46178, 73810, 115445, 128039, 230890, 253979, 256078, 507958, 640195, 1269895, 1280390, 1408429, 2539790, 2816858, 7042145, 14084290, 15492719, 30985438, 77463595, 154927190]

約数ペア:

[(1, 154927190), (2, 77463595), (5, 30985438), (10, 15492719), (11, 14084290), (22, 7042145), (55, 2816858), (61, 2539790), (110, 1408429), (121, 1280390), (122, 1269895), (242, 640195), (305, 507958), (605, 256078), (610, 253979), (671, 230890), (1210, 128039), (1342, 115445), (2099, 73810), (3355, 46178), (4198, 36905), (6710, 23089), (7381, 20990), (10495, 14762)]