501979280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18401}}^1$

素因数の和:18456

約数の個数: 80

約数和(自身を含む): 1314344448

約数和(自身を除く): 812365168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 18401, 27280, 36802, 73604, 92005, 147208, 184010, 202411, 294416, 368020, 404822, 570431, 736040, 809644, 1012055, 1140862, 1472080, 1619288, 2024110, 2281724, 2852155, 3238576, 4048220, 4563448, 5704310, 6274741, 8096440, 9126896, 11408620, 12549482, 16192880, 22817240, 25098964, 31373705, 45634480, 50197928, 62747410, 100395856, 125494820, 250989640, 501979280]

約数ペア:

[(1, 501979280), (2, 250989640), (4, 125494820), (5, 100395856), (8, 62747410), (10, 50197928), (11, 45634480), (16, 31373705), (20, 25098964), (22, 22817240), (31, 16192880), (40, 12549482), (44, 11408620), (55, 9126896), (62, 8096440), (80, 6274741), (88, 5704310), (110, 4563448), (124, 4048220), (155, 3238576), (176, 2852155), (220, 2281724), (248, 2024110), (310, 1619288), (341, 1472080), (440, 1140862), (496, 1012055), (620, 809644), (682, 736040), (880, 570431), (1240, 404822), (1364, 368020), (1705, 294416), (2480, 202411), (2728, 184010), (3410, 147208), (5456, 92005), (6820, 73604), (13640, 36802), (18401, 27280)]