70007870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 139651776

約数和(自身を除く): 69643906

約数列:

[1, 2, 5, 10, 17, 34, 43, 61, 85, 86, 122, 157, 170, 215, 305, 314, 430, 610, 731, 785, 1037, 1462, 1570, 2074, 2623, 2669, 3655, 5185, 5246, 5338, 6751, 7310, 9577, 10370, 13115, 13345, 13502, 19154, 26230, 26690, 33755, 44591, 47885, 67510, 89182, 95770, 114767, 162809, 222955, 229534, 325618, 411811, 445910, 573835, 814045, 823622, 1147670, 1628090, 2059055, 4118110, 7000787, 14001574, 35003935, 70007870]

約数ペア:

[(1, 70007870), (2, 35003935), (5, 14001574), (10, 7000787), (17, 4118110), (34, 2059055), (43, 1628090), (61, 1147670), (85, 823622), (86, 814045), (122, 573835), (157, 445910), (170, 411811), (215, 325618), (305, 229534), (314, 222955), (430, 162809), (610, 114767), (731, 95770), (785, 89182), (1037, 67510), (1462, 47885), (1570, 44591), (2074, 33755), (2623, 26690), (2669, 26230), (3655, 19154), (5185, 13502), (5246, 13345), (5338, 13115), (6751, 10370), (7310, 9577)]