200720500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{6581}}^1$

素因数の和:6661

約数の個数: 48

約数和(自身を含む): 445627728

約数和(自身を除く): 244907228

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 3050, 6100, 6581, 7625, 13162, 15250, 26324, 30500, 32905, 65810, 131620, 164525, 329050, 401441, 658100, 802882, 822625, 1605764, 1645250, 2007205, 3290500, 4014410, 8028820, 10036025, 20072050, 40144100, 50180125, 100360250, 200720500]

約数ペア:

[(1, 200720500), (2, 100360250), (4, 50180125), (5, 40144100), (10, 20072050), (20, 10036025), (25, 8028820), (50, 4014410), (61, 3290500), (100, 2007205), (122, 1645250), (125, 1605764), (244, 822625), (250, 802882), (305, 658100), (500, 401441), (610, 329050), (1220, 164525), (1525, 131620), (3050, 65810), (6100, 32905), (6581, 30500), (7625, 26324), (13162, 15250)]