289446580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 615625920

約数和(自身を除く): 326179340

約数列:

[1, 2, 4, 5, 10, 20, 179, 233, 347, 358, 466, 694, 716, 895, 932, 1165, 1388, 1735, 1790, 2330, 3470, 3580, 4660, 6940, 41707, 62113, 80851, 83414, 124226, 161702, 166828, 208535, 248452, 310565, 323404, 404255, 417070, 621130, 808510, 834140, 1242260, 1617020, 14472329, 28944658, 57889316, 72361645, 144723290, 289446580]

約数ペア:

[(1, 289446580), (2, 144723290), (4, 72361645), (5, 57889316), (10, 28944658), (20, 14472329), (179, 1617020), (233, 1242260), (347, 834140), (358, 808510), (466, 621130), (694, 417070), (716, 404255), (895, 323404), (932, 310565), (1165, 248452), (1388, 208535), (1735, 166828), (1790, 161702), (2330, 124226), (3470, 83414), (3580, 80851), (4660, 62113), (6940, 41707)]