216929840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3394

約数の個数: 80

約数和(自身を含む): 543417600

約数和(自身を除く): 326487760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3319, 3440, 4085, 6536, 6638, 8170, 13072, 13276, 16340, 16595, 26552, 32680, 33190, 53104, 63061, 65360, 66380, 126122, 132760, 142717, 252244, 265520, 285434, 315305, 504488, 570868, 630610, 713585, 1008976, 1141736, 1261220, 1427170, 2283472, 2522440, 2711623, 2854340, 5044880, 5423246, 5708680, 10846492, 11417360, 13558115, 21692984, 27116230, 43385968, 54232460, 108464920, 216929840]

約数ペア:

[(1, 216929840), (2, 108464920), (4, 54232460), (5, 43385968), (8, 27116230), (10, 21692984), (16, 13558115), (19, 11417360), (20, 10846492), (38, 5708680), (40, 5423246), (43, 5044880), (76, 2854340), (80, 2711623), (86, 2522440), (95, 2283472), (152, 1427170), (172, 1261220), (190, 1141736), (215, 1008976), (304, 713585), (344, 630610), (380, 570868), (430, 504488), (688, 315305), (760, 285434), (817, 265520), (860, 252244), (1520, 142717), (1634, 132760), (1720, 126122), (3268, 66380), (3319, 65360), (3440, 63061), (4085, 53104), (6536, 33190), (6638, 32680), (8170, 26552), (13072, 16595), (13276, 16340)]