275788720

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18049}}^1$

素因数の和:18253

約数の個数: 40

約数和(自身を含む): 644601600

約数和(自身を除く): 368812880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 7640, 15280, 18049, 36098, 72196, 90245, 144392, 180490, 288784, 360980, 721960, 1443920, 3447359, 6894718, 13789436, 17236795, 27578872, 34473590, 55157744, 68947180, 137894360, 275788720]

約数ペア:

[(1, 275788720), (2, 137894360), (4, 68947180), (5, 55157744), (8, 34473590), (10, 27578872), (16, 17236795), (20, 13789436), (40, 6894718), (80, 3447359), (191, 1443920), (382, 721960), (764, 360980), (955, 288784), (1528, 180490), (1910, 144392), (3056, 90245), (3820, 72196), (7640, 36098), (15280, 18049)]