351798980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{3877}}^1$

素因数の和:4248

約数の個数: 48

約数和(自身を含む): 798092400

約数和(自身を除く): 446293420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1396, 1745, 3490, 3877, 4537, 6980, 7754, 9074, 15508, 18148, 19385, 22685, 38770, 45370, 50401, 77540, 90740, 100802, 201604, 252005, 504010, 1008020, 1353073, 2706146, 5412292, 6765365, 13530730, 17589949, 27061460, 35179898, 70359796, 87949745, 175899490, 351798980]

約数ペア:

[(1, 351798980), (2, 175899490), (4, 87949745), (5, 70359796), (10, 35179898), (13, 27061460), (20, 17589949), (26, 13530730), (52, 6765365), (65, 5412292), (130, 2706146), (260, 1353073), (349, 1008020), (698, 504010), (1396, 252005), (1745, 201604), (3490, 100802), (3877, 90740), (4537, 77540), (6980, 50401), (7754, 45370), (9074, 38770), (15508, 22685), (18148, 19385)]