622845020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{2239}}^1$

素因数の和:4242

約数の個数: 48

約数和(自身を含む): 1496248320

約数和(自身を除く): 873403300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1987, 2239, 3974, 4478, 7948, 8956, 9935, 11195, 13909, 15673, 19870, 22390, 27818, 31346, 39740, 44780, 55636, 62692, 69545, 78365, 139090, 156730, 278180, 313460, 4448893, 8897786, 17795572, 22244465, 31142251, 44488930, 62284502, 88977860, 124569004, 155711255, 311422510, 622845020]

約数ペア:

[(1, 622845020), (2, 311422510), (4, 155711255), (5, 124569004), (7, 88977860), (10, 62284502), (14, 44488930), (20, 31142251), (28, 22244465), (35, 17795572), (70, 8897786), (140, 4448893), (1987, 313460), (2239, 278180), (3974, 156730), (4478, 139090), (7948, 78365), (8956, 69545), (9935, 62692), (11195, 55636), (13909, 44780), (15673, 39740), (19870, 31346), (22390, 27818)]