31710900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 101493504

約数和(自身を除く): 69782604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 47, 50, 52, 60, 65, 75, 78, 94, 100, 130, 141, 150, 156, 173, 188, 195, 235, 260, 282, 300, 325, 346, 390, 470, 519, 564, 611, 650, 692, 705, 780, 865, 940, 975, 1038, 1175, 1222, 1300, 1410, 1730, 1833, 1950, 2076, 2249, 2350, 2444, 2595, 2820, 3055, 3460, 3525, 3666, 3900, 4325, 4498, 4700, 5190, 6110, 6747, 7050, 7332, 8131, 8650, 8996, 9165, 10380, 11245, 12220, 12975, 13494, 14100, 15275, 16262, 17300, 18330, 22490, 24393, 25950, 26988, 30550, 32524, 33735, 36660, 40655, 44980, 45825, 48786, 51900, 56225, 61100, 67470, 81310, 91650, 97572, 105703, 112450, 121965, 134940, 162620, 168675, 183300, 203275, 211406, 224900, 243930, 317109, 337350, 406550, 422812, 487860, 528515, 609825, 634218, 674700, 813100, 1057030, 1219650, 1268436, 1585545, 2114060, 2439300, 2642575, 3171090, 5285150, 6342180, 7927725, 10570300, 15855450, 31710900]

約数ペア:

[(1, 31710900), (2, 15855450), (3, 10570300), (4, 7927725), (5, 6342180), (6, 5285150), (10, 3171090), (12, 2642575), (13, 2439300), (15, 2114060), (20, 1585545), (25, 1268436), (26, 1219650), (30, 1057030), (39, 813100), (47, 674700), (50, 634218), (52, 609825), (60, 528515), (65, 487860), (75, 422812), (78, 406550), (94, 337350), (100, 317109), (130, 243930), (141, 224900), (150, 211406), (156, 203275), (173, 183300), (188, 168675), (195, 162620), (235, 134940), (260, 121965), (282, 112450), (300, 105703), (325, 97572), (346, 91650), (390, 81310), (470, 67470), (519, 61100), (564, 56225), (611, 51900), (650, 48786), (692, 45825), (705, 44980), (780, 40655), (865, 36660), (940, 33735), (975, 32524), (1038, 30550), (1175, 26988), (1222, 25950), (1300, 24393), (1410, 22490), (1730, 18330), (1833, 17300), (1950, 16262), (2076, 15275), (2249, 14100), (2350, 13494), (2444, 12975), (2595, 12220), (2820, 11245), (3055, 10380), (3460, 9165), (3525, 8996), (3666, 8650), (3900, 8131), (4325, 7332), (4498, 7050), (4700, 6747), (5190, 6110)]