208801120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 574801920

約数和(自身を除く): 366000800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 43, 44, 55, 62, 80, 86, 88, 89, 110, 124, 155, 160, 172, 176, 178, 215, 220, 248, 310, 341, 344, 352, 356, 430, 440, 445, 473, 496, 620, 682, 688, 712, 860, 880, 890, 946, 979, 992, 1240, 1333, 1364, 1376, 1424, 1705, 1720, 1760, 1780, 1892, 1958, 2365, 2480, 2666, 2728, 2759, 2848, 3410, 3440, 3560, 3784, 3827, 3916, 4730, 4895, 4960, 5332, 5456, 5518, 6665, 6820, 6880, 7120, 7568, 7654, 7832, 9460, 9790, 10664, 10912, 11036, 13330, 13640, 13795, 14240, 14663, 15136, 15308, 15664, 18920, 19135, 19580, 21328, 22072, 26660, 27280, 27590, 29326, 30349, 30616, 31328, 37840, 38270, 39160, 42097, 42656, 44144, 53320, 54560, 55180, 58652, 60698, 61232, 73315, 75680, 76540, 78320, 84194, 88288, 106640, 110360, 117304, 118637, 121396, 122464, 146630, 151745, 153080, 156640, 168388, 210485, 213280, 220720, 234608, 237274, 242792, 293260, 303490, 306160, 336776, 420970, 441440, 469216, 474548, 485584, 586520, 593185, 606980, 612320, 673552, 841940, 949096, 971168, 1173040, 1186370, 1213960, 1305007, 1347104, 1683880, 1898192, 2346080, 2372740, 2427920, 2610014, 3367760, 3796384, 4745480, 4855840, 5220028, 6525035, 6735520, 9490960, 10440056, 13050070, 18981920, 20880112, 26100140, 41760224, 52200280, 104400560, 208801120]

約数ペア:

[(1, 208801120), (2, 104400560), (4, 52200280), (5, 41760224), (8, 26100140), (10, 20880112), (11, 18981920), (16, 13050070), (20, 10440056), (22, 9490960), (31, 6735520), (32, 6525035), (40, 5220028), (43, 4855840), (44, 4745480), (55, 3796384), (62, 3367760), (80, 2610014), (86, 2427920), (88, 2372740), (89, 2346080), (110, 1898192), (124, 1683880), (155, 1347104), (160, 1305007), (172, 1213960), (176, 1186370), (178, 1173040), (215, 971168), (220, 949096), (248, 841940), (310, 673552), (341, 612320), (344, 606980), (352, 593185), (356, 586520), (430, 485584), (440, 474548), (445, 469216), (473, 441440), (496, 420970), (620, 336776), (682, 306160), (688, 303490), (712, 293260), (860, 242792), (880, 237274), (890, 234608), (946, 220720), (979, 213280), (992, 210485), (1240, 168388), (1333, 156640), (1364, 153080), (1376, 151745), (1424, 146630), (1705, 122464), (1720, 121396), (1760, 118637), (1780, 117304), (1892, 110360), (1958, 106640), (2365, 88288), (2480, 84194), (2666, 78320), (2728, 76540), (2759, 75680), (2848, 73315), (3410, 61232), (3440, 60698), (3560, 58652), (3784, 55180), (3827, 54560), (3916, 53320), (4730, 44144), (4895, 42656), (4960, 42097), (5332, 39160), (5456, 38270), (5518, 37840), (6665, 31328), (6820, 30616), (6880, 30349), (7120, 29326), (7568, 27590), (7654, 27280), (7832, 26660), (9460, 22072), (9790, 21328), (10664, 19580), (10912, 19135), (11036, 18920), (13330, 15664), (13640, 15308), (13795, 15136), (14240, 14663)]