71355700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 168426720

約数和(自身を除く): 97071020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 131, 260, 262, 325, 419, 524, 650, 655, 838, 1300, 1310, 1676, 1703, 2095, 2620, 3275, 3406, 4190, 5447, 6550, 6812, 8380, 8515, 10475, 10894, 13100, 17030, 20950, 21788, 27235, 34060, 41900, 42575, 54470, 54889, 85150, 108940, 109778, 136175, 170300, 219556, 272350, 274445, 544700, 548890, 713557, 1097780, 1372225, 1427114, 2744450, 2854228, 3567785, 5488900, 7135570, 14271140, 17838925, 35677850, 71355700]

約数ペア:

[(1, 71355700), (2, 35677850), (4, 17838925), (5, 14271140), (10, 7135570), (13, 5488900), (20, 3567785), (25, 2854228), (26, 2744450), (50, 1427114), (52, 1372225), (65, 1097780), (100, 713557), (130, 548890), (131, 544700), (260, 274445), (262, 272350), (325, 219556), (419, 170300), (524, 136175), (650, 109778), (655, 108940), (838, 85150), (1300, 54889), (1310, 54470), (1676, 42575), (1703, 41900), (2095, 34060), (2620, 27235), (3275, 21788), (3406, 20950), (4190, 17030), (5447, 13100), (6550, 10894), (6812, 10475), (8380, 8515)]