123390940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{11197}}^1$

素因数の和:11254

約数の個数: 48

約数和(自身を含む): 282189600

約数和(自身を除く): 158798660

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 11197, 22394, 44788, 55985, 111970, 212743, 223940, 324713, 425486, 649426, 850972, 1063715, 1298852, 1623565, 2127430, 3247130, 4254860, 6169547, 6494260, 12339094, 24678188, 30847735, 61695470, 123390940]

約数ペア:

[(1, 123390940), (2, 61695470), (4, 30847735), (5, 24678188), (10, 12339094), (19, 6494260), (20, 6169547), (29, 4254860), (38, 3247130), (58, 2127430), (76, 1623565), (95, 1298852), (116, 1063715), (145, 850972), (190, 649426), (290, 425486), (380, 324713), (551, 223940), (580, 212743), (1102, 111970), (2204, 55985), (2755, 44788), (5510, 22394), (11020, 11197)]