264548140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 563476032

約数和(自身を除く): 298927892

約数列:

[1, 2, 4, 5, 10, 20, 157, 173, 314, 346, 487, 628, 692, 785, 865, 974, 1570, 1730, 1948, 2435, 3140, 3460, 4870, 9740, 27161, 54322, 76459, 84251, 108644, 135805, 152918, 168502, 271610, 305836, 337004, 382295, 421255, 543220, 764590, 842510, 1529180, 1685020, 13227407, 26454814, 52909628, 66137035, 132274070, 264548140]

約数ペア:

[(1, 264548140), (2, 132274070), (4, 66137035), (5, 52909628), (10, 26454814), (20, 13227407), (157, 1685020), (173, 1529180), (314, 842510), (346, 764590), (487, 543220), (628, 421255), (692, 382295), (785, 337004), (865, 305836), (974, 271610), (1570, 168502), (1730, 152918), (1948, 135805), (2435, 108644), (3140, 84251), (3460, 76459), (4870, 54322), (9740, 27161)]