219821868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1548

約数の個数: 144

約数和(自身を含む): 690493440

約数和(自身を除く): 470671572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 31, 36, 38, 42, 57, 62, 63, 76, 84, 93, 114, 124, 126, 133, 171, 186, 217, 228, 252, 266, 279, 342, 372, 399, 434, 532, 558, 589, 651, 684, 798, 868, 1116, 1178, 1197, 1302, 1481, 1596, 1767, 1953, 2356, 2394, 2604, 2962, 3534, 3906, 4123, 4443, 4788, 5301, 5924, 7068, 7812, 8246, 8886, 10367, 10602, 12369, 13329, 16492, 17772, 20734, 21204, 24738, 26658, 28139, 31101, 37107, 41468, 45911, 49476, 53316, 56278, 62202, 74214, 84417, 91822, 93303, 112556, 124404, 137733, 148428, 168834, 183644, 186606, 196973, 253251, 275466, 321377, 337668, 373212, 393946, 413199, 506502, 550932, 590919, 642754, 787892, 826398, 872309, 964131, 1013004, 1181838, 1285508, 1652796, 1744618, 1772757, 1928262, 2363676, 2616927, 2892393, 3489236, 3545514, 3856524, 5233854, 5784786, 6106163, 7091028, 7850781, 10467708, 11569572, 12212326, 15701562, 18318489, 24424652, 31403124, 36636978, 54955467, 73273956, 109910934, 219821868]

約数ペア:

[(1, 219821868), (2, 109910934), (3, 73273956), (4, 54955467), (6, 36636978), (7, 31403124), (9, 24424652), (12, 18318489), (14, 15701562), (18, 12212326), (19, 11569572), (21, 10467708), (28, 7850781), (31, 7091028), (36, 6106163), (38, 5784786), (42, 5233854), (57, 3856524), (62, 3545514), (63, 3489236), (76, 2892393), (84, 2616927), (93, 2363676), (114, 1928262), (124, 1772757), (126, 1744618), (133, 1652796), (171, 1285508), (186, 1181838), (217, 1013004), (228, 964131), (252, 872309), (266, 826398), (279, 787892), (342, 642754), (372, 590919), (399, 550932), (434, 506502), (532, 413199), (558, 393946), (589, 373212), (651, 337668), (684, 321377), (798, 275466), (868, 253251), (1116, 196973), (1178, 186606), (1197, 183644), (1302, 168834), (1481, 148428), (1596, 137733), (1767, 124404), (1953, 112556), (2356, 93303), (2394, 91822), (2604, 84417), (2962, 74214), (3534, 62202), (3906, 56278), (4123, 53316), (4443, 49476), (4788, 45911), (5301, 41468), (5924, 37107), (7068, 31101), (7812, 28139), (8246, 26658), (8886, 24738), (10367, 21204), (10602, 20734), (12369, 17772), (13329, 16492)]