223456420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{16651}}^1$

素因数の和:16732

約数の個数: 48

約数和(自身を含む): 520341696

約数和(自身を除く): 296885276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 16651, 33302, 66604, 83255, 166510, 183161, 333020, 366322, 732644, 915805, 1015711, 1831610, 2031422, 3663220, 4062844, 5078555, 10157110, 11172821, 20314220, 22345642, 44691284, 55864105, 111728210, 223456420]

約数ペア:

[(1, 223456420), (2, 111728210), (4, 55864105), (5, 44691284), (10, 22345642), (11, 20314220), (20, 11172821), (22, 10157110), (44, 5078555), (55, 4062844), (61, 3663220), (110, 2031422), (122, 1831610), (220, 1015711), (244, 915805), (305, 732644), (610, 366322), (671, 333020), (1220, 183161), (1342, 166510), (2684, 83255), (3355, 66604), (6710, 33302), (13420, 16651)]