1440779900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{10343}}^1$

素因数の和:10563

約数の個数: 72

約数和(自身を含む): 3591436800

約数和(自身を除く): 2150656900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 199, 350, 398, 700, 796, 995, 1393, 1990, 2786, 3980, 4975, 5572, 6965, 9950, 10343, 13930, 19900, 20686, 27860, 34825, 41372, 51715, 69650, 72401, 103430, 139300, 144802, 206860, 258575, 289604, 362005, 517150, 724010, 1034300, 1448020, 1810025, 2058257, 3620050, 4116514, 7240100, 8233028, 10291285, 14407799, 20582570, 28815598, 41165140, 51456425, 57631196, 72038995, 102912850, 144077990, 205825700, 288155980, 360194975, 720389950, 1440779900]

約数ペア:

[(1, 1440779900), (2, 720389950), (4, 360194975), (5, 288155980), (7, 205825700), (10, 144077990), (14, 102912850), (20, 72038995), (25, 57631196), (28, 51456425), (35, 41165140), (50, 28815598), (70, 20582570), (100, 14407799), (140, 10291285), (175, 8233028), (199, 7240100), (350, 4116514), (398, 3620050), (700, 2058257), (796, 1810025), (995, 1448020), (1393, 1034300), (1990, 724010), (2786, 517150), (3980, 362005), (4975, 289604), (5572, 258575), (6965, 206860), (9950, 144802), (10343, 139300), (13930, 103430), (19900, 72401), (20686, 69650), (27860, 51715), (34825, 41372)]