401067920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9697}}^1$

素因数の和:9768

約数の個数: 80

約数和(自身を含む): 1039004928

約数和(自身を除く): 637937008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 9697, 10340, 19394, 20680, 38788, 41360, 48485, 77576, 96970, 106667, 155152, 193940, 213334, 387880, 426668, 455759, 533335, 775760, 853336, 911518, 1066670, 1706672, 1823036, 2133340, 2278795, 3646072, 4266680, 4557590, 5013349, 7292144, 8533360, 9115180, 10026698, 18230360, 20053396, 25066745, 36460720, 40106792, 50133490, 80213584, 100266980, 200533960, 401067920]

約数ペア:

[(1, 401067920), (2, 200533960), (4, 100266980), (5, 80213584), (8, 50133490), (10, 40106792), (11, 36460720), (16, 25066745), (20, 20053396), (22, 18230360), (40, 10026698), (44, 9115180), (47, 8533360), (55, 7292144), (80, 5013349), (88, 4557590), (94, 4266680), (110, 3646072), (176, 2278795), (188, 2133340), (220, 1823036), (235, 1706672), (376, 1066670), (440, 911518), (470, 853336), (517, 775760), (752, 533335), (880, 455759), (940, 426668), (1034, 387880), (1880, 213334), (2068, 193940), (2585, 155152), (3760, 106667), (4136, 96970), (5170, 77576), (8272, 48485), (9697, 41360), (10340, 38788), (19394, 20680)]