290499140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{4549}}^1$

素因数の和:4692

約数の個数: 48

約数和(自身を含む): 635980800

約数和(自身を除く): 345481660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3193, 4549, 6386, 9098, 12772, 15965, 18196, 22745, 31930, 45490, 63860, 90980, 141019, 282038, 468547, 564076, 705095, 937094, 1410190, 1874188, 2342735, 2820380, 4685470, 9370940, 14524957, 29049914, 58099828, 72624785, 145249570, 290499140]

約数ペア:

[(1, 290499140), (2, 145249570), (4, 72624785), (5, 58099828), (10, 29049914), (20, 14524957), (31, 9370940), (62, 4685470), (103, 2820380), (124, 2342735), (155, 1874188), (206, 1410190), (310, 937094), (412, 705095), (515, 564076), (620, 468547), (1030, 282038), (2060, 141019), (3193, 90980), (4549, 63860), (6386, 45490), (9098, 31930), (12772, 22745), (15965, 18196)]