208491140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{271}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 518192640

約数和(自身を除く): 309701500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 269, 271, 286, 538, 542, 572, 715, 1076, 1084, 1345, 1355, 1430, 2690, 2710, 2860, 2959, 2981, 3497, 3523, 5380, 5420, 5918, 5962, 6994, 7046, 11836, 11924, 13988, 14092, 14795, 14905, 17485, 17615, 29590, 29810, 34970, 35230, 38467, 38753, 59180, 59620, 69940, 70460, 72899, 76934, 77506, 145798, 153868, 155012, 192335, 193765, 291596, 364495, 384670, 387530, 728990, 769340, 775060, 801889, 947687, 1457980, 1603778, 1895374, 3207556, 3790748, 4009445, 4738435, 8018890, 9476870, 10424557, 16037780, 18953740, 20849114, 41698228, 52122785, 104245570, 208491140]

約数ペア:

[(1, 208491140), (2, 104245570), (4, 52122785), (5, 41698228), (10, 20849114), (11, 18953740), (13, 16037780), (20, 10424557), (22, 9476870), (26, 8018890), (44, 4738435), (52, 4009445), (55, 3790748), (65, 3207556), (110, 1895374), (130, 1603778), (143, 1457980), (220, 947687), (260, 801889), (269, 775060), (271, 769340), (286, 728990), (538, 387530), (542, 384670), (572, 364495), (715, 291596), (1076, 193765), (1084, 192335), (1345, 155012), (1355, 153868), (1430, 145798), (2690, 77506), (2710, 76934), (2860, 72899), (2959, 70460), (2981, 69940), (3497, 59620), (3523, 59180), (5380, 38753), (5420, 38467), (5918, 35230), (5962, 34970), (6994, 29810), (7046, 29590), (11836, 17615), (11924, 17485), (13988, 14905), (14092, 14795)]