156988700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3387

約数の個数: 72

約数和(自身を含む): 380392320

約数和(自身を除く): 223403620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 430, 473, 550, 860, 946, 1075, 1100, 1892, 2150, 2365, 3319, 4300, 4730, 6638, 9460, 11825, 13276, 16595, 23650, 33190, 36509, 47300, 66380, 73018, 82975, 142717, 146036, 165950, 182545, 285434, 331900, 365090, 570868, 713585, 730180, 912725, 1427170, 1569887, 1825450, 2854340, 3139774, 3567925, 3650900, 6279548, 7135850, 7849435, 14271700, 15698870, 31397740, 39247175, 78494350, 156988700]

約数ペア:

[(1, 156988700), (2, 78494350), (4, 39247175), (5, 31397740), (10, 15698870), (11, 14271700), (20, 7849435), (22, 7135850), (25, 6279548), (43, 3650900), (44, 3567925), (50, 3139774), (55, 2854340), (86, 1825450), (100, 1569887), (110, 1427170), (172, 912725), (215, 730180), (220, 713585), (275, 570868), (430, 365090), (473, 331900), (550, 285434), (860, 182545), (946, 165950), (1075, 146036), (1100, 142717), (1892, 82975), (2150, 73018), (2365, 66380), (3319, 47300), (4300, 36509), (4730, 33190), (6638, 23650), (9460, 16595), (11825, 13276)]