397933340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:955

約数の個数: 96

約数和(自身を含む): 1011494400

約数和(自身を除く): 613561060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 211, 266, 380, 422, 532, 665, 709, 844, 1055, 1330, 1418, 1477, 2110, 2660, 2836, 2954, 3545, 4009, 4220, 4963, 5908, 7090, 7385, 8018, 9926, 13471, 14180, 14770, 16036, 19852, 20045, 24815, 26942, 28063, 29540, 40090, 49630, 53884, 56126, 67355, 80180, 94297, 99260, 112252, 134710, 140315, 149599, 188594, 269420, 280630, 299198, 377188, 471485, 561260, 598396, 747995, 942970, 1047193, 1495990, 1885940, 2094386, 2842381, 2991980, 4188772, 5235965, 5684762, 10471930, 11369524, 14211905, 19896667, 20943860, 28423810, 39793334, 56847620, 79586668, 99483335, 198966670, 397933340]

約数ペア:

[(1, 397933340), (2, 198966670), (4, 99483335), (5, 79586668), (7, 56847620), (10, 39793334), (14, 28423810), (19, 20943860), (20, 19896667), (28, 14211905), (35, 11369524), (38, 10471930), (70, 5684762), (76, 5235965), (95, 4188772), (133, 2991980), (140, 2842381), (190, 2094386), (211, 1885940), (266, 1495990), (380, 1047193), (422, 942970), (532, 747995), (665, 598396), (709, 561260), (844, 471485), (1055, 377188), (1330, 299198), (1418, 280630), (1477, 269420), (2110, 188594), (2660, 149599), (2836, 140315), (2954, 134710), (3545, 112252), (4009, 99260), (4220, 94297), (4963, 80180), (5908, 67355), (7090, 56126), (7385, 53884), (8018, 49630), (9926, 40090), (13471, 29540), (14180, 28063), (14770, 26942), (16036, 24815), (19852, 20045)]