400221400

素因数分解:

$2^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{10477}}^1$

素因数の和:10684

約数の個数: 48

約数和(自身を含む): 935475840

約数和(自身を除く): 535254440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 191, 200, 382, 764, 955, 1528, 1910, 3820, 4775, 7640, 9550, 10477, 19100, 20954, 38200, 41908, 52385, 83816, 104770, 209540, 261925, 419080, 523850, 1047700, 2001107, 2095400, 4002214, 8004428, 10005535, 16008856, 20011070, 40022140, 50027675, 80044280, 100055350, 200110700, 400221400]

約数ペア:

[(1, 400221400), (2, 200110700), (4, 100055350), (5, 80044280), (8, 50027675), (10, 40022140), (20, 20011070), (25, 16008856), (40, 10005535), (50, 8004428), (100, 4002214), (191, 2095400), (200, 2001107), (382, 1047700), (764, 523850), (955, 419080), (1528, 261925), (1910, 209540), (3820, 104770), (4775, 83816), (7640, 52385), (9550, 41908), (10477, 38200), (19100, 20954)]