142458140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 345818088

約数和(自身を除く): 203359948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 43, 44, 55, 74, 86, 110, 121, 148, 172, 185, 215, 220, 242, 370, 407, 430, 473, 484, 605, 740, 814, 860, 946, 1210, 1369, 1591, 1628, 1892, 2035, 2365, 2420, 2738, 3182, 4070, 4477, 4730, 5203, 5476, 6364, 6845, 7955, 8140, 8954, 9460, 10406, 13690, 15059, 15910, 17501, 17908, 20812, 22385, 26015, 27380, 30118, 31820, 35002, 44770, 52030, 58867, 60236, 70004, 75295, 87505, 89540, 104060, 117734, 150590, 165649, 175010, 192511, 235468, 294335, 301180, 331298, 350020, 385022, 588670, 647537, 662596, 770044, 828245, 962555, 1177340, 1295074, 1656490, 1925110, 2590148, 3237685, 3312980, 3850220, 6475370, 7122907, 12950740, 14245814, 28491628, 35614535, 71229070, 142458140]

約数ペア:

[(1, 142458140), (2, 71229070), (4, 35614535), (5, 28491628), (10, 14245814), (11, 12950740), (20, 7122907), (22, 6475370), (37, 3850220), (43, 3312980), (44, 3237685), (55, 2590148), (74, 1925110), (86, 1656490), (110, 1295074), (121, 1177340), (148, 962555), (172, 828245), (185, 770044), (215, 662596), (220, 647537), (242, 588670), (370, 385022), (407, 350020), (430, 331298), (473, 301180), (484, 294335), (605, 235468), (740, 192511), (814, 175010), (860, 165649), (946, 150590), (1210, 117734), (1369, 104060), (1591, 89540), (1628, 87505), (1892, 75295), (2035, 70004), (2365, 60236), (2420, 58867), (2738, 52030), (3182, 44770), (4070, 35002), (4477, 31820), (4730, 30118), (5203, 27380), (5476, 26015), (6364, 22385), (6845, 20812), (7955, 17908), (8140, 17501), (8954, 15910), (9460, 15059), (10406, 13690)]