1640993950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{14401}}^1$

素因数の和:14509

約数の個数: 48

約数和(自身を含む): 3182381136

約数和(自身を除く): 1541387186

約数列:

[1, 2, 5, 10, 25, 43, 50, 53, 86, 106, 215, 265, 430, 530, 1075, 1325, 2150, 2279, 2650, 4558, 11395, 14401, 22790, 28802, 56975, 72005, 113950, 144010, 360025, 619243, 720050, 763253, 1238486, 1526506, 3096215, 3816265, 6192430, 7632530, 15481075, 19081325, 30962150, 32819879, 38162650, 65639758, 164099395, 328198790, 820496975, 1640993950]

約数ペア:

[(1, 1640993950), (2, 820496975), (5, 328198790), (10, 164099395), (25, 65639758), (43, 38162650), (50, 32819879), (53, 30962150), (86, 19081325), (106, 15481075), (215, 7632530), (265, 6192430), (430, 3816265), (530, 3096215), (1075, 1526506), (1325, 1238486), (2150, 763253), (2279, 720050), (2650, 619243), (4558, 360025), (11395, 144010), (14401, 113950), (22790, 72005), (28802, 56975)]