209546520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{389}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 639802800

約数和(自身を除く): 430256280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 389, 402, 536, 670, 778, 804, 1005, 1167, 1340, 1556, 1608, 1945, 2010, 2334, 2680, 3112, 3890, 4020, 4489, 4668, 5835, 7780, 8040, 8978, 9336, 11670, 13467, 15560, 17956, 22445, 23340, 26063, 26934, 35912, 44890, 46680, 52126, 53868, 67335, 78189, 89780, 104252, 107736, 130315, 134670, 156378, 179560, 208504, 260630, 269340, 312756, 390945, 521260, 538680, 625512, 781890, 1042520, 1563780, 1746221, 3127560, 3492442, 5238663, 6984884, 8731105, 10477326, 13969768, 17462210, 20954652, 26193315, 34924420, 41909304, 52386630, 69848840, 104773260, 209546520]

約数ペア:

[(1, 209546520), (2, 104773260), (3, 69848840), (4, 52386630), (5, 41909304), (6, 34924420), (8, 26193315), (10, 20954652), (12, 17462210), (15, 13969768), (20, 10477326), (24, 8731105), (30, 6984884), (40, 5238663), (60, 3492442), (67, 3127560), (120, 1746221), (134, 1563780), (201, 1042520), (268, 781890), (335, 625512), (389, 538680), (402, 521260), (536, 390945), (670, 312756), (778, 269340), (804, 260630), (1005, 208504), (1167, 179560), (1340, 156378), (1556, 134670), (1608, 130315), (1945, 107736), (2010, 104252), (2334, 89780), (2680, 78189), (3112, 67335), (3890, 53868), (4020, 52126), (4489, 46680), (4668, 44890), (5835, 35912), (7780, 26934), (8040, 26063), (8978, 23340), (9336, 22445), (11670, 17956), (13467, 15560)]