391295310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 1137024000

約数和(自身を除く): 745728690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 281, 285, 349, 399, 562, 570, 665, 698, 798, 843, 1047, 1330, 1405, 1686, 1745, 1967, 1995, 2094, 2443, 2810, 3490, 3934, 3990, 4215, 4886, 5235, 5339, 5901, 6631, 7329, 8430, 9835, 10470, 10678, 11802, 12215, 13262, 14658, 16017, 19670, 19893, 24430, 26695, 29505, 32034, 33155, 36645, 37373, 39786, 46417, 53390, 59010, 66310, 73290, 74746, 80085, 92834, 98069, 99465, 112119, 139251, 160170, 186865, 196138, 198930, 224238, 232085, 278502, 294207, 373730, 464170, 490345, 560595, 588414, 686483, 696255, 980690, 1121190, 1372966, 1392510, 1471035, 1863311, 2059449, 2942070, 3432415, 3726622, 4118898, 5589933, 6864830, 9316555, 10297245, 11179866, 13043177, 18633110, 20594490, 26086354, 27949665, 39129531, 55899330, 65215885, 78259062, 130431770, 195647655, 391295310]

約数ペア:

[(1, 391295310), (2, 195647655), (3, 130431770), (5, 78259062), (6, 65215885), (7, 55899330), (10, 39129531), (14, 27949665), (15, 26086354), (19, 20594490), (21, 18633110), (30, 13043177), (35, 11179866), (38, 10297245), (42, 9316555), (57, 6864830), (70, 5589933), (95, 4118898), (105, 3726622), (114, 3432415), (133, 2942070), (190, 2059449), (210, 1863311), (266, 1471035), (281, 1392510), (285, 1372966), (349, 1121190), (399, 980690), (562, 696255), (570, 686483), (665, 588414), (698, 560595), (798, 490345), (843, 464170), (1047, 373730), (1330, 294207), (1405, 278502), (1686, 232085), (1745, 224238), (1967, 198930), (1995, 196138), (2094, 186865), (2443, 160170), (2810, 139251), (3490, 112119), (3934, 99465), (3990, 98069), (4215, 92834), (4886, 80085), (5235, 74746), (5339, 73290), (5901, 66310), (6631, 59010), (7329, 53390), (8430, 46417), (9835, 39786), (10470, 37373), (10678, 36645), (11802, 33155), (12215, 32034), (13262, 29505), (14658, 26695), (16017, 24430), (19670, 19893)]