2868100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 6874560

約数和(自身を除く): 4006460

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 29, 43, 46, 50, 58, 86, 92, 100, 115, 116, 145, 172, 215, 230, 290, 430, 460, 575, 580, 667, 725, 860, 989, 1075, 1150, 1247, 1334, 1450, 1978, 2150, 2300, 2494, 2668, 2900, 3335, 3956, 4300, 4945, 4988, 6235, 6670, 9890, 12470, 13340, 16675, 19780, 24725, 24940, 28681, 31175, 33350, 49450, 57362, 62350, 66700, 98900, 114724, 124700, 143405, 286810, 573620, 717025, 1434050, 2868100]

約数ペア:

[(1, 2868100), (2, 1434050), (4, 717025), (5, 573620), (10, 286810), (20, 143405), (23, 124700), (25, 114724), (29, 98900), (43, 66700), (46, 62350), (50, 57362), (58, 49450), (86, 33350), (92, 31175), (100, 28681), (115, 24940), (116, 24725), (145, 19780), (172, 16675), (215, 13340), (230, 12470), (290, 9890), (430, 6670), (460, 6235), (575, 4988), (580, 4945), (667, 4300), (725, 3956), (860, 3335), (989, 2900), (1075, 2668), (1150, 2494), (1247, 2300), (1334, 2150), (1450, 1978)]