149968220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2239}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 335301120

約数和(自身を除く): 185332900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 2239, 3349, 3940, 4478, 6698, 8956, 11195, 13396, 16745, 22390, 33490, 38063, 44780, 66980, 76126, 152252, 190315, 380630, 441083, 761260, 882166, 1764332, 2205415, 4410830, 7498411, 8821660, 14996822, 29993644, 37492055, 74984110, 149968220]

約数ペア:

[(1, 149968220), (2, 74984110), (4, 37492055), (5, 29993644), (10, 14996822), (17, 8821660), (20, 7498411), (34, 4410830), (68, 2205415), (85, 1764332), (170, 882166), (197, 761260), (340, 441083), (394, 380630), (788, 190315), (985, 152252), (1970, 76126), (2239, 66980), (3349, 44780), (3940, 38063), (4478, 33490), (6698, 22390), (8956, 16745), (11195, 13396)]