1553420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2172148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 307, 460, 506, 614, 1012, 1228, 1265, 1535, 2530, 3070, 3377, 5060, 6140, 6754, 7061, 13508, 14122, 16885, 28244, 33770, 35305, 67540, 70610, 77671, 141220, 155342, 310684, 388355, 776710, 1553420]

約数ペア:

[(1, 1553420), (2, 776710), (4, 388355), (5, 310684), (10, 155342), (11, 141220), (20, 77671), (22, 70610), (23, 67540), (44, 35305), (46, 33770), (55, 28244), (92, 16885), (110, 14122), (115, 13508), (220, 7061), (230, 6754), (253, 6140), (307, 5060), (460, 3377), (506, 3070), (614, 2530), (1012, 1535), (1228, 1265)]