208889620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3760

約数の個数: 48

約数和(自身を含む): 455470848

約数和(自身を除く): 246581228

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 122, 188, 235, 244, 305, 470, 610, 940, 1220, 2867, 3643, 5734, 7286, 11468, 14335, 14572, 18215, 28670, 36430, 57340, 72860, 171221, 222223, 342442, 444446, 684884, 856105, 888892, 1111115, 1712210, 2222230, 3424420, 4444460, 10444481, 20888962, 41777924, 52222405, 104444810, 208889620]

約数ペア:

[(1, 208889620), (2, 104444810), (4, 52222405), (5, 41777924), (10, 20888962), (20, 10444481), (47, 4444460), (61, 3424420), (94, 2222230), (122, 1712210), (188, 1111115), (235, 888892), (244, 856105), (305, 684884), (470, 444446), (610, 342442), (940, 222223), (1220, 171221), (2867, 72860), (3643, 57340), (5734, 36430), (7286, 28670), (11468, 18215), (14335, 14572)]