17990700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 64162560

約数和(自身を除く): 46171860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 659, 700, 780, 910, 975, 1050, 1092, 1300, 1318, 1365, 1820, 1950, 1977, 2100, 2275, 2636, 2730, 3295, 3900, 3954, 4550, 4613, 5460, 6590, 6825, 7908, 8567, 9100, 9226, 9885, 13180, 13650, 13839, 16475, 17134, 18452, 19770, 23065, 25701, 27300, 27678, 32950, 34268, 39540, 42835, 46130, 49425, 51402, 55356, 59969, 65900, 69195, 85670, 92260, 98850, 102804, 115325, 119938, 128505, 138390, 171340, 179907, 197700, 214175, 230650, 239876, 257010, 276780, 299845, 345975, 359814, 428350, 461300, 514020, 599690, 642525, 691950, 719628, 856700, 899535, 1199380, 1285050, 1383900, 1499225, 1799070, 2570100, 2998450, 3598140, 4497675, 5996900, 8995350, 17990700]

約数ペア:

[(1, 17990700), (2, 8995350), (3, 5996900), (4, 4497675), (5, 3598140), (6, 2998450), (7, 2570100), (10, 1799070), (12, 1499225), (13, 1383900), (14, 1285050), (15, 1199380), (20, 899535), (21, 856700), (25, 719628), (26, 691950), (28, 642525), (30, 599690), (35, 514020), (39, 461300), (42, 428350), (50, 359814), (52, 345975), (60, 299845), (65, 276780), (70, 257010), (75, 239876), (78, 230650), (84, 214175), (91, 197700), (100, 179907), (105, 171340), (130, 138390), (140, 128505), (150, 119938), (156, 115325), (175, 102804), (182, 98850), (195, 92260), (210, 85670), (260, 69195), (273, 65900), (300, 59969), (325, 55356), (350, 51402), (364, 49425), (390, 46130), (420, 42835), (455, 39540), (525, 34268), (546, 32950), (650, 27678), (659, 27300), (700, 25701), (780, 23065), (910, 19770), (975, 18452), (1050, 17134), (1092, 16475), (1300, 13839), (1318, 13650), (1365, 13180), (1820, 9885), (1950, 9226), (1977, 9100), (2100, 8567), (2275, 7908), (2636, 6825), (2730, 6590), (3295, 5460), (3900, 4613), (3954, 4550)]