2018449240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1\times {\mathrm{1447}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 4656072960

約数和(自身を除く): 2637623720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 811, 860, 1447, 1622, 1720, 2894, 3244, 4055, 5788, 6488, 7235, 8110, 11576, 14470, 16220, 28940, 32440, 34873, 57880, 62221, 69746, 124442, 139492, 174365, 248884, 278984, 311105, 348730, 497768, 622210, 697460, 1173517, 1244420, 1394920, 2347034, 2488840, 4694068, 5867585, 9388136, 11735170, 23470340, 46940680, 50461231, 100922462, 201844924, 252306155, 403689848, 504612310, 1009224620, 2018449240]

約数ペア:

[(1, 2018449240), (2, 1009224620), (4, 504612310), (5, 403689848), (8, 252306155), (10, 201844924), (20, 100922462), (40, 50461231), (43, 46940680), (86, 23470340), (172, 11735170), (215, 9388136), (344, 5867585), (430, 4694068), (811, 2488840), (860, 2347034), (1447, 1394920), (1622, 1244420), (1720, 1173517), (2894, 697460), (3244, 622210), (4055, 497768), (5788, 348730), (6488, 311105), (7235, 278984), (8110, 248884), (11576, 174365), (14470, 139492), (16220, 124442), (28940, 69746), (32440, 62221), (34873, 57880)]