1277781310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 2553957504

約数和(自身を除く): 1276176194

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 421, 481, 631, 842, 962, 1262, 2105, 2405, 3155, 4210, 4810, 5473, 6310, 8203, 10946, 15577, 16406, 23347, 27365, 31154, 41015, 46694, 54730, 77885, 82030, 116735, 155770, 202501, 233470, 265651, 303511, 405002, 531302, 607022, 1012505, 1328255, 1517555, 2025010, 2656510, 3035110, 3453463, 6906926, 9829087, 17267315, 19658174, 34534630, 49145435, 98290870, 127778131, 255556262, 638890655, 1277781310]

約数ペア:

[(1, 1277781310), (2, 638890655), (5, 255556262), (10, 127778131), (13, 98290870), (26, 49145435), (37, 34534630), (65, 19658174), (74, 17267315), (130, 9829087), (185, 6906926), (370, 3453463), (421, 3035110), (481, 2656510), (631, 2025010), (842, 1517555), (962, 1328255), (1262, 1012505), (2105, 607022), (2405, 531302), (3155, 405002), (4210, 303511), (4810, 265651), (5473, 233470), (6310, 202501), (8203, 155770), (10946, 116735), (15577, 82030), (16406, 77885), (23347, 54730), (27365, 46694), (31154, 41015)]