51621990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{35117}}^1$

素因数の和:35141

約数の個数: 48

約数和(自身を含む): 144124272

約数和(自身を除く): 92502282

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 35117, 70234, 105351, 175585, 210702, 245819, 351170, 491638, 526755, 737457, 1053510, 1229095, 1474914, 1720733, 2458190, 3441466, 3687285, 5162199, 7374570, 8603665, 10324398, 17207330, 25810995, 51621990]

約数ペア:

[(1, 51621990), (2, 25810995), (3, 17207330), (5, 10324398), (6, 8603665), (7, 7374570), (10, 5162199), (14, 3687285), (15, 3441466), (21, 2458190), (30, 1720733), (35, 1474914), (42, 1229095), (49, 1053510), (70, 737457), (98, 526755), (105, 491638), (147, 351170), (210, 245819), (245, 210702), (294, 175585), (490, 105351), (735, 70234), (1470, 35117)]