420219085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 630167832

約数和(自身を除く): 209948747

約数列:

[1, 5, 11, 13, 23, 55, 65, 101, 115, 121, 143, 253, 299, 505, 529, 605, 715, 1111, 1265, 1313, 1495, 1573, 2323, 2645, 2783, 3289, 5555, 5819, 6565, 6877, 7865, 11615, 12221, 13915, 14443, 16445, 25553, 29095, 30199, 34385, 36179, 53429, 61105, 64009, 72215, 75647, 127765, 150995, 158873, 180895, 267145, 281083, 320045, 332189, 378235, 587719, 694577, 794365, 832117, 1405415, 1660945, 2938595, 3472885, 3654079, 4160585, 6464909, 7640347, 18270395, 32324545, 38201735, 84043817, 420219085]

約数ペア:

[(1, 420219085), (5, 84043817), (11, 38201735), (13, 32324545), (23, 18270395), (55, 7640347), (65, 6464909), (101, 4160585), (115, 3654079), (121, 3472885), (143, 2938595), (253, 1660945), (299, 1405415), (505, 832117), (529, 794365), (605, 694577), (715, 587719), (1111, 378235), (1265, 332189), (1313, 320045), (1495, 281083), (1573, 267145), (2323, 180895), (2645, 158873), (2783, 150995), (3289, 127765), (5555, 75647), (5819, 72215), (6565, 64009), (6877, 61105), (7865, 53429), (11615, 36179), (12221, 34385), (13915, 30199), (14443, 29095), (16445, 25553)]