123626920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3461}}^1$

素因数の和:3538

約数の個数: 64

約数和(自身を含む): 299116800

約数和(自身を除く): 175489880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3461, 3572, 4465, 6922, 7144, 8930, 13844, 17305, 17860, 27688, 34610, 35720, 65759, 69220, 131518, 138440, 162667, 263036, 325334, 328795, 526072, 650668, 657590, 813335, 1301336, 1315180, 1626670, 2630360, 3090673, 3253340, 6181346, 6506680, 12362692, 15453365, 24725384, 30906730, 61813460, 123626920]

約数ペア:

[(1, 123626920), (2, 61813460), (4, 30906730), (5, 24725384), (8, 15453365), (10, 12362692), (19, 6506680), (20, 6181346), (38, 3253340), (40, 3090673), (47, 2630360), (76, 1626670), (94, 1315180), (95, 1301336), (152, 813335), (188, 657590), (190, 650668), (235, 526072), (376, 328795), (380, 325334), (470, 263036), (760, 162667), (893, 138440), (940, 131518), (1786, 69220), (1880, 65759), (3461, 35720), (3572, 34610), (4465, 27688), (6922, 17860), (7144, 17305), (8930, 13844)]