1089774640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{911}}^1$

素因数の和:1730

約数の個数: 80

約数和(自身を含む): 2673400320

約数和(自身を除く): 1583625680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 787, 911, 1520, 1574, 1822, 3148, 3644, 3935, 4555, 6296, 7288, 7870, 9110, 12592, 14576, 14953, 15740, 17309, 18220, 29906, 31480, 34618, 36440, 59812, 62960, 69236, 72880, 74765, 86545, 119624, 138472, 149530, 173090, 239248, 276944, 299060, 346180, 598120, 692360, 716957, 1196240, 1384720, 1433914, 2867828, 3584785, 5735656, 7169570, 11471312, 13622183, 14339140, 27244366, 28678280, 54488732, 57356560, 68110915, 108977464, 136221830, 217954928, 272443660, 544887320, 1089774640]

約数ペア:

[(1, 1089774640), (2, 544887320), (4, 272443660), (5, 217954928), (8, 136221830), (10, 108977464), (16, 68110915), (19, 57356560), (20, 54488732), (38, 28678280), (40, 27244366), (76, 14339140), (80, 13622183), (95, 11471312), (152, 7169570), (190, 5735656), (304, 3584785), (380, 2867828), (760, 1433914), (787, 1384720), (911, 1196240), (1520, 716957), (1574, 692360), (1822, 598120), (3148, 346180), (3644, 299060), (3935, 276944), (4555, 239248), (6296, 173090), (7288, 149530), (7870, 138472), (9110, 119624), (12592, 86545), (14576, 74765), (14953, 72880), (15740, 69236), (17309, 62960), (18220, 59812), (29906, 36440), (31480, 34618)]