29562980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 34303900

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 191, 218, 284, 355, 382, 436, 545, 710, 764, 955, 1090, 1420, 1910, 2180, 3820, 7739, 13561, 15478, 20819, 27122, 30956, 38695, 41638, 54244, 67805, 77390, 83276, 104095, 135610, 154780, 208190, 271220, 416380, 1478149, 2956298, 5912596, 7390745, 14781490, 29562980]

約数ペア:

[(1, 29562980), (2, 14781490), (4, 7390745), (5, 5912596), (10, 2956298), (20, 1478149), (71, 416380), (109, 271220), (142, 208190), (191, 154780), (218, 135610), (284, 104095), (355, 83276), (382, 77390), (436, 67805), (545, 54244), (710, 41638), (764, 38695), (955, 30956), (1090, 27122), (1420, 20819), (1910, 15478), (2180, 13561), (3820, 7739)]