890355970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{8951}}^1$

素因数の和:9008

約数の個数: 64

約数和(自身を含む): 1933632000

約数和(自身を除く): 1043276030

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, 7105, 8951, 9947, 14210, 17902, 19894, 44755, 49735, 62657, 89510, 99470, 125314, 259579, 313285, 438599, 519158, 626570, 877198, 1297895, 1817053, 2192995, 2595790, 3070193, 3634106, 4385990, 6140386, 9085265, 12719371, 15350965, 18170530, 25438742, 30701930, 63596855, 89035597, 127193710, 178071194, 445177985, 890355970]

約数ペア:

[(1, 890355970), (2, 445177985), (5, 178071194), (7, 127193710), (10, 89035597), (14, 63596855), (29, 30701930), (35, 25438742), (49, 18170530), (58, 15350965), (70, 12719371), (98, 9085265), (145, 6140386), (203, 4385990), (245, 3634106), (290, 3070193), (343, 2595790), (406, 2192995), (490, 1817053), (686, 1297895), (1015, 877198), (1421, 626570), (1715, 519158), (2030, 438599), (2842, 313285), (3430, 259579), (7105, 125314), (8951, 99470), (9947, 89510), (14210, 62657), (17902, 49735), (19894, 44755)]