78605890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 160030080

約数和(自身を除く): 81424190

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 97, 106, 110, 139, 194, 265, 278, 485, 530, 583, 695, 970, 1067, 1166, 1390, 1529, 2134, 2915, 3058, 5141, 5335, 5830, 7367, 7645, 10282, 10670, 13483, 14734, 15290, 25705, 26966, 36835, 51410, 56551, 67415, 73670, 81037, 113102, 134830, 148313, 162074, 282755, 296626, 405185, 565510, 714599, 741565, 810370, 1429198, 1483130, 3572995, 7145990, 7860589, 15721178, 39302945, 78605890]

約数ペア:

[(1, 78605890), (2, 39302945), (5, 15721178), (10, 7860589), (11, 7145990), (22, 3572995), (53, 1483130), (55, 1429198), (97, 810370), (106, 741565), (110, 714599), (139, 565510), (194, 405185), (265, 296626), (278, 282755), (485, 162074), (530, 148313), (583, 134830), (695, 113102), (970, 81037), (1067, 73670), (1166, 67415), (1390, 56551), (1529, 51410), (2134, 36835), (2915, 26966), (3058, 25705), (5141, 15290), (5335, 14734), (5830, 13483), (7367, 10670), (7645, 10282)]