717860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 1778112

約数和(自身を除く): 1060252

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 251, 260, 286, 502, 572, 715, 1004, 1255, 1430, 2510, 2761, 2860, 3263, 5020, 5522, 6526, 11044, 13052, 13805, 16315, 27610, 32630, 35893, 55220, 65260, 71786, 143572, 179465, 358930, 717860]

約数ペア:

[(1, 717860), (2, 358930), (4, 179465), (5, 143572), (10, 71786), (11, 65260), (13, 55220), (20, 35893), (22, 32630), (26, 27610), (44, 16315), (52, 13805), (55, 13052), (65, 11044), (110, 6526), (130, 5522), (143, 5020), (220, 3263), (251, 2860), (260, 2761), (286, 2510), (502, 1430), (572, 1255), (715, 1004)]