204480280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2381}}^1$

素因数の和:2524

約数の個数: 64

約数和(自身を含む): 488786400

約数和(自身を除く): 284306120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 380, 452, 565, 760, 904, 1130, 2147, 2260, 2381, 4294, 4520, 4762, 8588, 9524, 10735, 11905, 17176, 19048, 21470, 23810, 42940, 45239, 47620, 85880, 90478, 95240, 180956, 226195, 269053, 361912, 452390, 538106, 904780, 1076212, 1345265, 1809560, 2152424, 2690530, 5112007, 5381060, 10224014, 10762120, 20448028, 25560035, 40896056, 51120070, 102240140, 204480280]

約数ペア:

[(1, 204480280), (2, 102240140), (4, 51120070), (5, 40896056), (8, 25560035), (10, 20448028), (19, 10762120), (20, 10224014), (38, 5381060), (40, 5112007), (76, 2690530), (95, 2152424), (113, 1809560), (152, 1345265), (190, 1076212), (226, 904780), (380, 538106), (452, 452390), (565, 361912), (760, 269053), (904, 226195), (1130, 180956), (2147, 95240), (2260, 90478), (2381, 85880), (4294, 47620), (4520, 45239), (4762, 42940), (8588, 23810), (9524, 21470), (10735, 19048), (11905, 17176)]