15979250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 35762688

約数和(自身を除く): 19783438

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 397, 575, 794, 805, 875, 1150, 1610, 1750, 1985, 2779, 2875, 3970, 4025, 5558, 5750, 8050, 9131, 9925, 13895, 18262, 19850, 20125, 27790, 40250, 45655, 49625, 63917, 69475, 91310, 99250, 127834, 138950, 228275, 319585, 347375, 456550, 639170, 694750, 1141375, 1597925, 2282750, 3195850, 7989625, 15979250]

約数ペア:

[(1, 15979250), (2, 7989625), (5, 3195850), (7, 2282750), (10, 1597925), (14, 1141375), (23, 694750), (25, 639170), (35, 456550), (46, 347375), (50, 319585), (70, 228275), (115, 138950), (125, 127834), (161, 99250), (175, 91310), (230, 69475), (250, 63917), (322, 49625), (350, 45655), (397, 40250), (575, 27790), (794, 20125), (805, 19850), (875, 18262), (1150, 13895), (1610, 9925), (1750, 9131), (1985, 8050), (2779, 5750), (2875, 5558), (3970, 4025)]