28449700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4007}}^1$

素因数の和:4092

約数の個数: 36

約数和(自身を含む): 62620992

約数和(自身を除く): 34171292

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 4007, 7100, 8014, 16028, 20035, 40070, 80140, 100175, 200350, 284497, 400700, 568994, 1137988, 1422485, 2844970, 5689940, 7112425, 14224850, 28449700]

約数ペア:

[(1, 28449700), (2, 14224850), (4, 7112425), (5, 5689940), (10, 2844970), (20, 1422485), (25, 1137988), (50, 568994), (71, 400700), (100, 284497), (142, 200350), (284, 100175), (355, 80140), (710, 40070), (1420, 20035), (1775, 16028), (3550, 8014), (4007, 7100)]