284767240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7919}}^1$

素因数の和:7990

約数の個数: 64

約数和(自身を含む): 684288000

約数和(自身を除く): 399520760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 3596, 4495, 7192, 7919, 8990, 15838, 17980, 31676, 35960, 39595, 63352, 79190, 158380, 229651, 245489, 316760, 459302, 490978, 918604, 981956, 1148255, 1227445, 1837208, 1963912, 2296510, 2454890, 4593020, 4909780, 7119181, 9186040, 9819560, 14238362, 28476724, 35595905, 56953448, 71191810, 142383620, 284767240]

約数ペア:

[(1, 284767240), (2, 142383620), (4, 71191810), (5, 56953448), (8, 35595905), (10, 28476724), (20, 14238362), (29, 9819560), (31, 9186040), (40, 7119181), (58, 4909780), (62, 4593020), (116, 2454890), (124, 2296510), (145, 1963912), (155, 1837208), (232, 1227445), (248, 1148255), (290, 981956), (310, 918604), (580, 490978), (620, 459302), (899, 316760), (1160, 245489), (1240, 229651), (1798, 158380), (3596, 79190), (4495, 63352), (7192, 39595), (7919, 35960), (8990, 31676), (15838, 17980)]