420857570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{4231}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 914112000

約数和(自身を除く): 493254430

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 343, 406, 490, 686, 1015, 1421, 1715, 2030, 2842, 3430, 4231, 7105, 8462, 9947, 14210, 19894, 21155, 29617, 42310, 49735, 59234, 99470, 122699, 148085, 207319, 245398, 296170, 414638, 613495, 858893, 1036595, 1226990, 1451233, 1717786, 2073190, 2902466, 4294465, 6012251, 7256165, 8588930, 12024502, 14512330, 30061255, 42085757, 60122510, 84171514, 210428785, 420857570]

約数ペア:

[(1, 420857570), (2, 210428785), (5, 84171514), (7, 60122510), (10, 42085757), (14, 30061255), (29, 14512330), (35, 12024502), (49, 8588930), (58, 7256165), (70, 6012251), (98, 4294465), (145, 2902466), (203, 2073190), (245, 1717786), (290, 1451233), (343, 1226990), (406, 1036595), (490, 858893), (686, 613495), (1015, 414638), (1421, 296170), (1715, 245398), (2030, 207319), (2842, 148085), (3430, 122699), (4231, 99470), (7105, 59234), (8462, 49735), (9947, 42310), (14210, 29617), (19894, 21155)]