3918508720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{5297}}^1$

素因数の和:6638

約数の個数: 80

約数和(自身を含む): 10421886528

約数和(自身を除く): 6503377808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1321, 2642, 5284, 5297, 6605, 9247, 10568, 10594, 13210, 18494, 21136, 21188, 26420, 26485, 36988, 37079, 42376, 46235, 52840, 52970, 73976, 74158, 84752, 92470, 105680, 105940, 147952, 148316, 184940, 185395, 211880, 296632, 369880, 370790, 423760, 593264, 739760, 741580, 1483160, 2966320, 6997337, 13994674, 27989348, 34986685, 48981359, 55978696, 69973370, 97962718, 111957392, 139946740, 195925436, 244906795, 279893480, 391850872, 489813590, 559786960, 783701744, 979627180, 1959254360, 3918508720]

約数ペア:

[(1, 3918508720), (2, 1959254360), (4, 979627180), (5, 783701744), (7, 559786960), (8, 489813590), (10, 391850872), (14, 279893480), (16, 244906795), (20, 195925436), (28, 139946740), (35, 111957392), (40, 97962718), (56, 69973370), (70, 55978696), (80, 48981359), (112, 34986685), (140, 27989348), (280, 13994674), (560, 6997337), (1321, 2966320), (2642, 1483160), (5284, 741580), (5297, 739760), (6605, 593264), (9247, 423760), (10568, 370790), (10594, 369880), (13210, 296632), (18494, 211880), (21136, 185395), (21188, 184940), (26420, 148316), (26485, 147952), (36988, 105940), (37079, 105680), (42376, 92470), (46235, 84752), (52840, 74158), (52970, 73976)]