98322820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 210148848

約数和(自身を除く): 111826028

約数列:

[1, 2, 4, 5, 10, 20, 157, 173, 181, 314, 346, 362, 628, 692, 724, 785, 865, 905, 1570, 1730, 1810, 3140, 3460, 3620, 27161, 28417, 31313, 54322, 56834, 62626, 108644, 113668, 125252, 135805, 142085, 156565, 271610, 284170, 313130, 543220, 568340, 626260, 4916141, 9832282, 19664564, 24580705, 49161410, 98322820]

約数ペア:

[(1, 98322820), (2, 49161410), (4, 24580705), (5, 19664564), (10, 9832282), (20, 4916141), (157, 626260), (173, 568340), (181, 543220), (314, 313130), (346, 284170), (362, 271610), (628, 156565), (692, 142085), (724, 135805), (785, 125252), (865, 113668), (905, 108644), (1570, 62626), (1730, 56834), (1810, 54322), (3140, 31313), (3460, 28417), (3620, 27161)]