207487900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 467737424

約数和(自身を除く): 260249524

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 73, 86, 100, 146, 172, 215, 292, 365, 430, 661, 730, 860, 1075, 1322, 1460, 1825, 2150, 2644, 3139, 3305, 3650, 4300, 6278, 6610, 7300, 12556, 13220, 15695, 16525, 28423, 31390, 33050, 48253, 56846, 62780, 66100, 78475, 96506, 113692, 142115, 156950, 193012, 241265, 284230, 313900, 482530, 568460, 710575, 965060, 1206325, 1421150, 2074879, 2412650, 2842300, 4149758, 4825300, 8299516, 10374395, 20748790, 41497580, 51871975, 103743950, 207487900]

約数ペア:

[(1, 207487900), (2, 103743950), (4, 51871975), (5, 41497580), (10, 20748790), (20, 10374395), (25, 8299516), (43, 4825300), (50, 4149758), (73, 2842300), (86, 2412650), (100, 2074879), (146, 1421150), (172, 1206325), (215, 965060), (292, 710575), (365, 568460), (430, 482530), (661, 313900), (730, 284230), (860, 241265), (1075, 193012), (1322, 156950), (1460, 142115), (1825, 113692), (2150, 96506), (2644, 78475), (3139, 66100), (3305, 62780), (3650, 56846), (4300, 48253), (6278, 33050), (6610, 31390), (7300, 28423), (12556, 16525), (13220, 15695)]