118979240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 278208000

約数和(自身を除く): 159228760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 229, 248, 310, 419, 458, 620, 838, 916, 1145, 1240, 1676, 1832, 2095, 2290, 3352, 4190, 4580, 7099, 8380, 9160, 12989, 14198, 16760, 25978, 28396, 35495, 51956, 56792, 64945, 70990, 95951, 103912, 129890, 141980, 191902, 259780, 283960, 383804, 479755, 519560, 767608, 959510, 1919020, 2974481, 3838040, 5948962, 11897924, 14872405, 23795848, 29744810, 59489620, 118979240]

約数ペア:

[(1, 118979240), (2, 59489620), (4, 29744810), (5, 23795848), (8, 14872405), (10, 11897924), (20, 5948962), (31, 3838040), (40, 2974481), (62, 1919020), (124, 959510), (155, 767608), (229, 519560), (248, 479755), (310, 383804), (419, 283960), (458, 259780), (620, 191902), (838, 141980), (916, 129890), (1145, 103912), (1240, 95951), (1676, 70990), (1832, 64945), (2095, 56792), (2290, 51956), (3352, 35495), (4190, 28396), (4580, 25978), (7099, 16760), (8380, 14198), (9160, 12989)]