123745820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9221}}^1$

素因数の和:9302

約数の個数: 48

約数和(自身を含む): 288169056

約数和(自身を除く): 164423236

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, 9221, 13420, 18442, 36884, 46105, 92210, 101431, 184420, 202862, 405724, 507155, 562481, 1014310, 1124962, 2028620, 2249924, 2812405, 5624810, 6187291, 11249620, 12374582, 24749164, 30936455, 61872910, 123745820]

約数ペア:

[(1, 123745820), (2, 61872910), (4, 30936455), (5, 24749164), (10, 12374582), (11, 11249620), (20, 6187291), (22, 5624810), (44, 2812405), (55, 2249924), (61, 2028620), (110, 1124962), (122, 1014310), (220, 562481), (244, 507155), (305, 405724), (610, 202862), (671, 184420), (1220, 101431), (1342, 92210), (2684, 46105), (3355, 36884), (6710, 18442), (9221, 13420)]