139607540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 297903312

約数和(自身を除く): 158295772

約数列:

[1, 2, 4, 5, 10, 20, 157, 173, 257, 314, 346, 514, 628, 692, 785, 865, 1028, 1285, 1570, 1730, 2570, 3140, 3460, 5140, 27161, 40349, 44461, 54322, 80698, 88922, 108644, 135805, 161396, 177844, 201745, 222305, 271610, 403490, 444610, 543220, 806980, 889220, 6980377, 13960754, 27921508, 34901885, 69803770, 139607540]

約数ペア:

[(1, 139607540), (2, 69803770), (4, 34901885), (5, 27921508), (10, 13960754), (20, 6980377), (157, 889220), (173, 806980), (257, 543220), (314, 444610), (346, 403490), (514, 271610), (628, 222305), (692, 201745), (785, 177844), (865, 161396), (1028, 135805), (1285, 108644), (1570, 88922), (1730, 80698), (2570, 54322), (3140, 44461), (3460, 40349), (5140, 27161)]