61415390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 119361600

約数和(自身を除く): 57946210

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 269, 289, 395, 538, 578, 790, 1343, 1345, 1445, 2686, 2690, 2890, 4573, 6715, 9146, 13430, 21251, 22831, 22865, 42502, 45662, 45730, 77741, 106255, 114155, 155482, 212510, 228310, 361267, 388705, 722534, 777410, 1806335, 3612670, 6141539, 12283078, 30707695, 61415390]

約数ペア:

[(1, 61415390), (2, 30707695), (5, 12283078), (10, 6141539), (17, 3612670), (34, 1806335), (79, 777410), (85, 722534), (158, 388705), (170, 361267), (269, 228310), (289, 212510), (395, 155482), (538, 114155), (578, 106255), (790, 77741), (1343, 45730), (1345, 45662), (1445, 42502), (2686, 22865), (2690, 22831), (2890, 21251), (4573, 13430), (6715, 9146)]