2019688060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{26879}}^1$

素因数の和:26935

約数の個数: 72

約数和(自身を含む): 4852270080

約数和(自身を除く): 2832582020

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2210, 2890, 3757, 4420, 5780, 7514, 15028, 18785, 26879, 37570, 53758, 75140, 107516, 134395, 268790, 349427, 456943, 537580, 698854, 913886, 1397708, 1747135, 1827772, 2284715, 3494270, 4569430, 5940259, 6988540, 7768031, 9138860, 11880518, 15536062, 23761036, 29701295, 31072124, 38840155, 59402590, 77680310, 100984403, 118805180, 155360620, 201968806, 403937612, 504922015, 1009844030, 2019688060]

約数ペア:

[(1, 2019688060), (2, 1009844030), (4, 504922015), (5, 403937612), (10, 201968806), (13, 155360620), (17, 118805180), (20, 100984403), (26, 77680310), (34, 59402590), (52, 38840155), (65, 31072124), (68, 29701295), (85, 23761036), (130, 15536062), (170, 11880518), (221, 9138860), (260, 7768031), (289, 6988540), (340, 5940259), (442, 4569430), (578, 3494270), (884, 2284715), (1105, 1827772), (1156, 1747135), (1445, 1397708), (2210, 913886), (2890, 698854), (3757, 537580), (4420, 456943), (5780, 349427), (7514, 268790), (15028, 134395), (18785, 107516), (26879, 75140), (37570, 53758)]