514162900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 1171036160

約数和(自身を除く): 656873260

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 155, 244, 305, 310, 610, 620, 775, 1220, 1525, 1550, 1891, 2719, 3050, 3100, 3782, 5438, 6100, 7564, 9455, 10876, 13595, 18910, 27190, 37820, 47275, 54380, 67975, 84289, 94550, 135950, 165859, 168578, 189100, 271900, 331718, 337156, 421445, 663436, 829295, 842890, 1658590, 1685780, 2107225, 3317180, 4146475, 4214450, 5141629, 8292950, 8428900, 10283258, 16585900, 20566516, 25708145, 51416290, 102832580, 128540725, 257081450, 514162900]

約数ペア:

[(1, 514162900), (2, 257081450), (4, 128540725), (5, 102832580), (10, 51416290), (20, 25708145), (25, 20566516), (31, 16585900), (50, 10283258), (61, 8428900), (62, 8292950), (100, 5141629), (122, 4214450), (124, 4146475), (155, 3317180), (244, 2107225), (305, 1685780), (310, 1658590), (610, 842890), (620, 829295), (775, 663436), (1220, 421445), (1525, 337156), (1550, 331718), (1891, 271900), (2719, 189100), (3050, 168578), (3100, 165859), (3782, 135950), (5438, 94550), (6100, 84289), (7564, 67975), (9455, 54380), (10876, 47275), (13595, 37820), (18910, 27190)]