73287940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 106337660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 110, 178, 190, 197, 209, 220, 356, 380, 394, 418, 445, 788, 836, 890, 979, 985, 1045, 1691, 1780, 1958, 1970, 2090, 2167, 3382, 3743, 3916, 3940, 4180, 4334, 4895, 6764, 7486, 8455, 8668, 9790, 10835, 14972, 16910, 17533, 18601, 18715, 19580, 21670, 33820, 35066, 37202, 37430, 41173, 43340, 70132, 74404, 74860, 82346, 87665, 93005, 164692, 175330, 186010, 192863, 205865, 333127, 350660, 372020, 385726, 411730, 666254, 771452, 823460, 964315, 1332508, 1665635, 1928630, 3331270, 3664397, 3857260, 6662540, 7328794, 14657588, 18321985, 36643970, 73287940]

約数ペア:

[(1, 73287940), (2, 36643970), (4, 18321985), (5, 14657588), (10, 7328794), (11, 6662540), (19, 3857260), (20, 3664397), (22, 3331270), (38, 1928630), (44, 1665635), (55, 1332508), (76, 964315), (89, 823460), (95, 771452), (110, 666254), (178, 411730), (190, 385726), (197, 372020), (209, 350660), (220, 333127), (356, 205865), (380, 192863), (394, 186010), (418, 175330), (445, 164692), (788, 93005), (836, 87665), (890, 82346), (979, 74860), (985, 74404), (1045, 70132), (1691, 43340), (1780, 41173), (1958, 37430), (1970, 37202), (2090, 35066), (2167, 33820), (3382, 21670), (3743, 19580), (3916, 18715), (3940, 18601), (4180, 17533), (4334, 16910), (4895, 14972), (6764, 10835), (7486, 9790), (8455, 8668)]