2000561620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1\times {\mathrm{1093}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 4421208456

約数和(自身を除く): 2420646836

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 230, 346, 460, 529, 692, 865, 1058, 1093, 1730, 2116, 2186, 2645, 3460, 3979, 4372, 5290, 5465, 7958, 10580, 10930, 15916, 19895, 21860, 25139, 39790, 50278, 79580, 91517, 100556, 125695, 183034, 189089, 251390, 366068, 378178, 457585, 502780, 578197, 756356, 915170, 945445, 1156394, 1830340, 1890890, 2312788, 2890985, 3781780, 4349047, 5781970, 8698094, 11563940, 17396188, 21745235, 43490470, 86980940, 100028081, 200056162, 400112324, 500140405, 1000280810, 2000561620]

約数ペア:

[(1, 2000561620), (2, 1000280810), (4, 500140405), (5, 400112324), (10, 200056162), (20, 100028081), (23, 86980940), (46, 43490470), (92, 21745235), (115, 17396188), (173, 11563940), (230, 8698094), (346, 5781970), (460, 4349047), (529, 3781780), (692, 2890985), (865, 2312788), (1058, 1890890), (1093, 1830340), (1730, 1156394), (2116, 945445), (2186, 915170), (2645, 756356), (3460, 578197), (3979, 502780), (4372, 457585), (5290, 378178), (5465, 366068), (7958, 251390), (10580, 189089), (10930, 183034), (15916, 125695), (19895, 100556), (21860, 91517), (25139, 79580), (39790, 50278)]