199300550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1811}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 388260864

約数和(自身を除く): 188960314

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 310, 355, 710, 775, 1550, 1775, 1811, 2201, 3550, 3622, 4402, 9055, 11005, 18110, 22010, 45275, 55025, 56141, 90550, 110050, 112282, 128581, 257162, 280705, 561410, 642905, 1285810, 1403525, 2807050, 3214525, 3986011, 6429050, 7972022, 19930055, 39860110, 99650275, 199300550]

約数ペア:

[(1, 199300550), (2, 99650275), (5, 39860110), (10, 19930055), (25, 7972022), (31, 6429050), (50, 3986011), (62, 3214525), (71, 2807050), (142, 1403525), (155, 1285810), (310, 642905), (355, 561410), (710, 280705), (775, 257162), (1550, 128581), (1775, 112282), (1811, 110050), (2201, 90550), (3550, 56141), (3622, 55025), (4402, 45275), (9055, 22010), (11005, 18110)]