12465340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 14750660

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 149, 178, 188, 235, 298, 356, 445, 470, 596, 745, 890, 940, 1490, 1780, 2980, 4183, 7003, 8366, 13261, 14006, 16732, 20915, 26522, 28012, 35015, 41830, 53044, 66305, 70030, 83660, 132610, 140060, 265220, 623267, 1246534, 2493068, 3116335, 6232670, 12465340]

約数ペア:

[(1, 12465340), (2, 6232670), (4, 3116335), (5, 2493068), (10, 1246534), (20, 623267), (47, 265220), (89, 140060), (94, 132610), (149, 83660), (178, 70030), (188, 66305), (235, 53044), (298, 41830), (356, 35015), (445, 28012), (470, 26522), (596, 20915), (745, 16732), (890, 14006), (940, 13261), (1490, 8366), (1780, 7003), (2980, 4183)]