1720682710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 3325639680

約数和(自身を除く): 1604956970

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 197, 269, 382, 394, 538, 955, 985, 1345, 1910, 1970, 2690, 3247, 3349, 4573, 6494, 6698, 9146, 16235, 16745, 22865, 32470, 33490, 37627, 45730, 51379, 52993, 75254, 102758, 105986, 188135, 256895, 264965, 376270, 513790, 529930, 639659, 873443, 900881, 1279318, 1746886, 1801762, 3198295, 4367215, 4504405, 6396590, 8734430, 9008810, 10121663, 20243326, 50608315, 101216630, 172068271, 344136542, 860341355, 1720682710]

約数ペア:

[(1, 1720682710), (2, 860341355), (5, 344136542), (10, 172068271), (17, 101216630), (34, 50608315), (85, 20243326), (170, 10121663), (191, 9008810), (197, 8734430), (269, 6396590), (382, 4504405), (394, 4367215), (538, 3198295), (955, 1801762), (985, 1746886), (1345, 1279318), (1910, 900881), (1970, 873443), (2690, 639659), (3247, 529930), (3349, 513790), (4573, 376270), (6494, 264965), (6698, 256895), (9146, 188135), (16235, 105986), (16745, 102758), (22865, 75254), (32470, 52993), (33490, 51379), (37627, 45730)]