1375220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 96

約数和(自身を含む): 3870720

約数和(自身を除く): 2495500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 47, 55, 70, 76, 77, 94, 95, 110, 133, 140, 154, 188, 190, 209, 220, 235, 266, 308, 329, 380, 385, 418, 470, 517, 532, 658, 665, 770, 836, 893, 940, 1034, 1045, 1316, 1330, 1463, 1540, 1645, 1786, 2068, 2090, 2585, 2660, 2926, 3290, 3572, 3619, 4180, 4465, 5170, 5852, 6251, 6580, 7238, 7315, 8930, 9823, 10340, 12502, 14476, 14630, 17860, 18095, 19646, 25004, 29260, 31255, 36190, 39292, 49115, 62510, 68761, 72380, 98230, 125020, 137522, 196460, 275044, 343805, 687610, 1375220]

約数ペア:

[(1, 1375220), (2, 687610), (4, 343805), (5, 275044), (7, 196460), (10, 137522), (11, 125020), (14, 98230), (19, 72380), (20, 68761), (22, 62510), (28, 49115), (35, 39292), (38, 36190), (44, 31255), (47, 29260), (55, 25004), (70, 19646), (76, 18095), (77, 17860), (94, 14630), (95, 14476), (110, 12502), (133, 10340), (140, 9823), (154, 8930), (188, 7315), (190, 7238), (209, 6580), (220, 6251), (235, 5852), (266, 5170), (308, 4465), (329, 4180), (380, 3619), (385, 3572), (418, 3290), (470, 2926), (517, 2660), (532, 2585), (658, 2090), (665, 2068), (770, 1786), (836, 1645), (893, 1540), (940, 1463), (1034, 1330), (1045, 1316)]