289945480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 761011200

約数和(自身を除く): 471065720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 110, 116, 124, 145, 155, 220, 232, 248, 290, 310, 319, 341, 440, 580, 620, 638, 682, 733, 899, 1160, 1240, 1276, 1364, 1466, 1595, 1705, 1798, 2552, 2728, 2932, 3190, 3410, 3596, 3665, 4495, 5864, 6380, 6820, 7192, 7330, 8063, 8990, 9889, 12760, 13640, 14660, 16126, 17980, 19778, 21257, 22723, 29320, 32252, 35960, 39556, 40315, 42514, 45446, 49445, 64504, 79112, 80630, 85028, 90892, 98890, 106285, 113615, 161260, 170056, 181784, 197780, 212570, 227230, 233827, 249953, 322520, 395560, 425140, 454460, 467654, 499906, 658967, 850280, 908920, 935308, 999812, 1169135, 1249765, 1317934, 1870616, 1999624, 2338270, 2499530, 2635868, 3294835, 4676540, 4999060, 5271736, 6589670, 7248637, 9353080, 9998120, 13179340, 14497274, 26358680, 28994548, 36243185, 57989096, 72486370, 144972740, 289945480]

約数ペア:

[(1, 289945480), (2, 144972740), (4, 72486370), (5, 57989096), (8, 36243185), (10, 28994548), (11, 26358680), (20, 14497274), (22, 13179340), (29, 9998120), (31, 9353080), (40, 7248637), (44, 6589670), (55, 5271736), (58, 4999060), (62, 4676540), (88, 3294835), (110, 2635868), (116, 2499530), (124, 2338270), (145, 1999624), (155, 1870616), (220, 1317934), (232, 1249765), (248, 1169135), (290, 999812), (310, 935308), (319, 908920), (341, 850280), (440, 658967), (580, 499906), (620, 467654), (638, 454460), (682, 425140), (733, 395560), (899, 322520), (1160, 249953), (1240, 233827), (1276, 227230), (1364, 212570), (1466, 197780), (1595, 181784), (1705, 170056), (1798, 161260), (2552, 113615), (2728, 106285), (2932, 98890), (3190, 90892), (3410, 85028), (3596, 80630), (3665, 79112), (4495, 64504), (5864, 49445), (6380, 45446), (6820, 42514), (7192, 40315), (7330, 39556), (8063, 35960), (8990, 32252), (9889, 29320), (12760, 22723), (13640, 21257), (14660, 19778), (16126, 17980)]