245390985

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 534528000

約数和(自身を除く): 289137015

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 79, 95, 105, 133, 135, 171, 173, 189, 237, 285, 315, 395, 399, 513, 519, 553, 665, 711, 855, 865, 945, 1185, 1197, 1211, 1501, 1557, 1659, 1995, 2133, 2565, 2595, 2765, 3287, 3555, 3591, 3633, 4503, 4671, 4977, 5985, 6055, 7505, 7785, 8295, 9861, 10507, 10665, 10899, 13509, 13667, 14931, 16435, 17955, 18165, 22515, 23009, 23355, 24885, 29583, 31521, 32697, 40527, 41001, 49305, 52535, 54495, 67545, 68335, 69027, 74655, 88749, 94563, 95669, 115045, 123003, 147915, 157605, 163485, 202635, 205005, 207081, 259673, 283689, 287007, 345135, 369009, 443745, 472815, 478345, 615015, 621243, 779019, 861021, 1035405, 1298365, 1418445, 1435035, 1817711, 1845045, 2337057, 2583063, 3106215, 3895095, 4305105, 5453133, 7011171, 9088555, 11685285, 12915315, 16359399, 27265665, 35055855, 49078197, 81796995, 245390985]

約数ペア:

[(1, 245390985), (3, 81796995), (5, 49078197), (7, 35055855), (9, 27265665), (15, 16359399), (19, 12915315), (21, 11685285), (27, 9088555), (35, 7011171), (45, 5453133), (57, 4305105), (63, 3895095), (79, 3106215), (95, 2583063), (105, 2337057), (133, 1845045), (135, 1817711), (171, 1435035), (173, 1418445), (189, 1298365), (237, 1035405), (285, 861021), (315, 779019), (395, 621243), (399, 615015), (513, 478345), (519, 472815), (553, 443745), (665, 369009), (711, 345135), (855, 287007), (865, 283689), (945, 259673), (1185, 207081), (1197, 205005), (1211, 202635), (1501, 163485), (1557, 157605), (1659, 147915), (1995, 123003), (2133, 115045), (2565, 95669), (2595, 94563), (2765, 88749), (3287, 74655), (3555, 69027), (3591, 68335), (3633, 67545), (4503, 54495), (4671, 52535), (4977, 49305), (5985, 41001), (6055, 40527), (7505, 32697), (7785, 31521), (8295, 29583), (9861, 24885), (10507, 23355), (10665, 23009), (10899, 22515), (13509, 18165), (13667, 17955), (14931, 16435)]