209940804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9961

約数の個数: 72

約数和(自身を含む): 576692480

約数和(自身を除く): 366751676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 9901, 10602, 19802, 21204, 29703, 39604, 59406, 89109, 118812, 178218, 188119, 306931, 356436, 376238, 564357, 613862, 752476, 920793, 1128714, 1227724, 1693071, 1841586, 2257428, 2762379, 3386142, 3683172, 5524758, 5831689, 6772284, 11049516, 11663378, 17495067, 23326756, 34990134, 52485201, 69980268, 104970402, 209940804]

約数ペア:

[(1, 209940804), (2, 104970402), (3, 69980268), (4, 52485201), (6, 34990134), (9, 23326756), (12, 17495067), (18, 11663378), (19, 11049516), (31, 6772284), (36, 5831689), (38, 5524758), (57, 3683172), (62, 3386142), (76, 2762379), (93, 2257428), (114, 1841586), (124, 1693071), (171, 1227724), (186, 1128714), (228, 920793), (279, 752476), (342, 613862), (372, 564357), (558, 376238), (589, 356436), (684, 306931), (1116, 188119), (1178, 178218), (1767, 118812), (2356, 89109), (3534, 59406), (5301, 39604), (7068, 29703), (9901, 21204), (10602, 19802)]