245745990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12583}}^1$

素因数の和:12634

約数の個数: 96

約数和(自身を含む): 753831936

約数和(自身を除く): 508085946

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 6510, 9765, 12583, 19530, 25166, 37749, 62915, 75498, 88081, 113247, 125830, 176162, 188745, 226494, 264243, 377490, 390073, 440405, 528486, 566235, 780146, 792729, 880810, 1132470, 1170219, 1321215, 1585458, 1950365, 2340438, 2642430, 2730511, 3510657, 3900730, 3963645, 5461022, 5851095, 7021314, 7927290, 8191533, 11702190, 13652555, 16383066, 17553285, 24574599, 27305110, 35106570, 40957665, 49149198, 81915330, 122872995, 245745990]

約数ペア:

[(1, 245745990), (2, 122872995), (3, 81915330), (5, 49149198), (6, 40957665), (7, 35106570), (9, 27305110), (10, 24574599), (14, 17553285), (15, 16383066), (18, 13652555), (21, 11702190), (30, 8191533), (31, 7927290), (35, 7021314), (42, 5851095), (45, 5461022), (62, 3963645), (63, 3900730), (70, 3510657), (90, 2730511), (93, 2642430), (105, 2340438), (126, 1950365), (155, 1585458), (186, 1321215), (210, 1170219), (217, 1132470), (279, 880810), (310, 792729), (315, 780146), (434, 566235), (465, 528486), (558, 440405), (630, 390073), (651, 377490), (930, 264243), (1085, 226494), (1302, 188745), (1395, 176162), (1953, 125830), (2170, 113247), (2790, 88081), (3255, 75498), (3906, 62915), (6510, 37749), (9765, 25166), (12583, 19530)]