2157470

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 4924800

約数和(自身を除く): 2767330

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 49, 70, 74, 85, 98, 119, 170, 185, 238, 245, 259, 343, 370, 490, 518, 595, 629, 686, 833, 1190, 1258, 1295, 1666, 1715, 1813, 2590, 3145, 3430, 3626, 4165, 4403, 5831, 6290, 8330, 8806, 9065, 11662, 12691, 18130, 22015, 25382, 29155, 30821, 44030, 58310, 61642, 63455, 126910, 154105, 215747, 308210, 431494, 1078735, 2157470]

約数ペア:

[(1, 2157470), (2, 1078735), (5, 431494), (7, 308210), (10, 215747), (14, 154105), (17, 126910), (34, 63455), (35, 61642), (37, 58310), (49, 44030), (70, 30821), (74, 29155), (85, 25382), (98, 22015), (119, 18130), (170, 12691), (185, 11662), (238, 9065), (245, 8806), (259, 8330), (343, 6290), (370, 5831), (490, 4403), (518, 4165), (595, 3626), (629, 3430), (686, 3145), (833, 2590), (1190, 1813), (1258, 1715), (1295, 1666)]