68076220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 146313216

約数和(自身を除く): 78236996

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 191, 251, 284, 355, 382, 502, 710, 764, 955, 1004, 1255, 1420, 1910, 2510, 3820, 5020, 13561, 17821, 27122, 35642, 47941, 54244, 67805, 71284, 89105, 95882, 135610, 178210, 191764, 239705, 271220, 356420, 479410, 958820, 3403811, 6807622, 13615244, 17019055, 34038110, 68076220]

約数ペア:

[(1, 68076220), (2, 34038110), (4, 17019055), (5, 13615244), (10, 6807622), (20, 3403811), (71, 958820), (142, 479410), (191, 356420), (251, 271220), (284, 239705), (355, 191764), (382, 178210), (502, 135610), (710, 95882), (764, 89105), (955, 71284), (1004, 67805), (1255, 54244), (1420, 47941), (1910, 35642), (2510, 27122), (3820, 17821), (5020, 13561)]