999909850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{367}}^1\times {\mathrm{1879}}^1$

素因数の和:2287

約数の個数: 48

約数和(自身を含む): 1930233600

約数和(自身を除く): 930323750

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 367, 725, 734, 1450, 1835, 1879, 3670, 3758, 9175, 9395, 10643, 18350, 18790, 21286, 46975, 53215, 54491, 93950, 106430, 108982, 266075, 272455, 532150, 544910, 689593, 1362275, 1379186, 2724550, 3447965, 6895930, 17239825, 19998197, 34479650, 39996394, 99990985, 199981970, 499954925, 999909850]

約数ペア:

[(1, 999909850), (2, 499954925), (5, 199981970), (10, 99990985), (25, 39996394), (29, 34479650), (50, 19998197), (58, 17239825), (145, 6895930), (290, 3447965), (367, 2724550), (725, 1379186), (734, 1362275), (1450, 689593), (1835, 544910), (1879, 532150), (3670, 272455), (3758, 266075), (9175, 108982), (9395, 106430), (10643, 93950), (18350, 54491), (18790, 53215), (21286, 46975)]