217277620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8971}}^1$

素因数の和:9160

約数の個数: 48

約数和(自身を含む): 524539008

約数和(自身を除く): 307261388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 3460, 4844, 6055, 8971, 12110, 17942, 24220, 35884, 44855, 62797, 89710, 125594, 179420, 251188, 313985, 627970, 1255940, 1551983, 3103966, 6207932, 7759915, 10863881, 15519830, 21727762, 31039660, 43455524, 54319405, 108638810, 217277620]

約数ペア:

[(1, 217277620), (2, 108638810), (4, 54319405), (5, 43455524), (7, 31039660), (10, 21727762), (14, 15519830), (20, 10863881), (28, 7759915), (35, 6207932), (70, 3103966), (140, 1551983), (173, 1255940), (346, 627970), (692, 313985), (865, 251188), (1211, 179420), (1730, 125594), (2422, 89710), (3460, 62797), (4844, 44855), (6055, 35884), (8971, 24220), (12110, 17942)]