290499550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27799}}^1$

素因数の和:27841

約数の個数: 48

約数和(自身を含む): 620496000

約数和(自身を除く): 329996450

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 5225, 10450, 27799, 55598, 138995, 277990, 305789, 528181, 611578, 694975, 1056362, 1389950, 1528945, 2640905, 3057890, 5281810, 5809991, 7644725, 11619982, 13204525, 15289450, 26409050, 29049955, 58099910, 145249775, 290499550]

約数ペア:

[(1, 290499550), (2, 145249775), (5, 58099910), (10, 29049955), (11, 26409050), (19, 15289450), (22, 13204525), (25, 11619982), (38, 7644725), (50, 5809991), (55, 5281810), (95, 3057890), (110, 2640905), (190, 1528945), (209, 1389950), (275, 1056362), (418, 694975), (475, 611578), (550, 528181), (950, 305789), (1045, 277990), (2090, 138995), (5225, 55598), (10450, 27799)]