8749880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 21492000

約数和(自身を除く): 12742120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 397, 551, 580, 760, 794, 1102, 1160, 1588, 1985, 2204, 2755, 3176, 3970, 4408, 5510, 7543, 7940, 11020, 11513, 15086, 15880, 22040, 23026, 30172, 37715, 46052, 57565, 60344, 75430, 92104, 115130, 150860, 218747, 230260, 301720, 437494, 460520, 874988, 1093735, 1749976, 2187470, 4374940, 8749880]

約数ペア:

[(1, 8749880), (2, 4374940), (4, 2187470), (5, 1749976), (8, 1093735), (10, 874988), (19, 460520), (20, 437494), (29, 301720), (38, 230260), (40, 218747), (58, 150860), (76, 115130), (95, 92104), (116, 75430), (145, 60344), (152, 57565), (190, 46052), (232, 37715), (290, 30172), (380, 23026), (397, 22040), (551, 15880), (580, 15086), (760, 11513), (794, 11020), (1102, 7940), (1160, 7543), (1588, 5510), (1985, 4408), (2204, 3970), (2755, 3176)]