205718970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1187}}^1$

素因数の和:1359

約数の個数: 64

約数和(自身を含む): 508083840

約数和(自身を除く): 302364870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 109, 159, 218, 265, 318, 327, 530, 545, 654, 795, 1090, 1187, 1590, 1635, 2374, 3270, 3561, 5777, 5935, 7122, 11554, 11870, 17331, 17805, 28885, 34662, 35610, 57770, 62911, 86655, 125822, 129383, 173310, 188733, 258766, 314555, 377466, 388149, 629110, 646915, 776298, 943665, 1293830, 1887330, 1940745, 3881490, 6857299, 13714598, 20571897, 34286495, 41143794, 68572990, 102859485, 205718970]

約数ペア:

[(1, 205718970), (2, 102859485), (3, 68572990), (5, 41143794), (6, 34286495), (10, 20571897), (15, 13714598), (30, 6857299), (53, 3881490), (106, 1940745), (109, 1887330), (159, 1293830), (218, 943665), (265, 776298), (318, 646915), (327, 629110), (530, 388149), (545, 377466), (654, 314555), (795, 258766), (1090, 188733), (1187, 173310), (1590, 129383), (1635, 125822), (2374, 86655), (3270, 62911), (3561, 57770), (5777, 35610), (5935, 34662), (7122, 28885), (11554, 17805), (11870, 17331)]