280808890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{4733}}^1$

素因数の和:5106

約数の個数: 32

約数和(自身を含む): 536835600

約数和(自身を除く): 256026710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 349, 698, 1745, 3490, 4733, 5933, 9466, 11866, 23665, 29665, 47330, 59330, 80461, 160922, 402305, 804610, 1651817, 3303634, 8259085, 16518170, 28080889, 56161778, 140404445, 280808890]

約数ペア:

[(1, 280808890), (2, 140404445), (5, 56161778), (10, 28080889), (17, 16518170), (34, 8259085), (85, 3303634), (170, 1651817), (349, 804610), (698, 402305), (1745, 160922), (3490, 80461), (4733, 59330), (5933, 47330), (9466, 29665), (11866, 23665)]