1951990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 3732480

約数和(自身を除く): 1780490

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 127, 145, 254, 265, 290, 530, 635, 1270, 1537, 3074, 3683, 6731, 7366, 7685, 13462, 15370, 18415, 33655, 36830, 67310, 195199, 390398, 975995, 1951990]

約数ペア:

[(1, 1951990), (2, 975995), (5, 390398), (10, 195199), (29, 67310), (53, 36830), (58, 33655), (106, 18415), (127, 15370), (145, 13462), (254, 7685), (265, 7366), (290, 6731), (530, 3683), (635, 3074), (1270, 1537)]