202159720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10169}}^1$

素因数の和:10258

約数の個数: 64

約数和(自身を含む): 527212800

約数和(自身を除く): 325053080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 10169, 19880, 20338, 40676, 50845, 71183, 81352, 101690, 142366, 203380, 284732, 355915, 406760, 569464, 711830, 721999, 1423660, 1443998, 2847320, 2887996, 3609995, 5053993, 5775992, 7219990, 10107986, 14439980, 20215972, 25269965, 28879960, 40431944, 50539930, 101079860, 202159720]

約数ペア:

[(1, 202159720), (2, 101079860), (4, 50539930), (5, 40431944), (7, 28879960), (8, 25269965), (10, 20215972), (14, 14439980), (20, 10107986), (28, 7219990), (35, 5775992), (40, 5053993), (56, 3609995), (70, 2887996), (71, 2847320), (140, 1443998), (142, 1423660), (280, 721999), (284, 711830), (355, 569464), (497, 406760), (568, 355915), (710, 284732), (994, 203380), (1420, 142366), (1988, 101690), (2485, 81352), (2840, 71183), (3976, 50845), (4970, 40676), (9940, 20338), (10169, 19880)]