66701780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{683}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 148236480

約数和(自身を除く): 81534700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 683, 1028, 1285, 1366, 2570, 2732, 3415, 4883, 5140, 6830, 9766, 12977, 13660, 19532, 24415, 25954, 48830, 51908, 64885, 97660, 129770, 175531, 259540, 351062, 702124, 877655, 1755310, 3335089, 3510620, 6670178, 13340356, 16675445, 33350890, 66701780]

約数ペア:

[(1, 66701780), (2, 33350890), (4, 16675445), (5, 13340356), (10, 6670178), (19, 3510620), (20, 3335089), (38, 1755310), (76, 877655), (95, 702124), (190, 351062), (257, 259540), (380, 175531), (514, 129770), (683, 97660), (1028, 64885), (1285, 51908), (1366, 48830), (2570, 25954), (2732, 24415), (3415, 19532), (4883, 13660), (5140, 12977), (6830, 9766)]