209192100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53639}}^1$

素因数の和:53669

約数の個数: 72

約数和(自身を含む): 651833280

約数和(自身を除く): 442641180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 53639, 107278, 160917, 214556, 268195, 321834, 536390, 643668, 697307, 804585, 1072780, 1340975, 1394614, 1609170, 2091921, 2681950, 2789228, 3218340, 3486535, 4022925, 4183842, 5363900, 6973070, 8045850, 8367684, 10459605, 13946140, 16091700, 17432675, 20919210, 34865350, 41838420, 52298025, 69730700, 104596050, 209192100]

約数ペア:

[(1, 209192100), (2, 104596050), (3, 69730700), (4, 52298025), (5, 41838420), (6, 34865350), (10, 20919210), (12, 17432675), (13, 16091700), (15, 13946140), (20, 10459605), (25, 8367684), (26, 8045850), (30, 6973070), (39, 5363900), (50, 4183842), (52, 4022925), (60, 3486535), (65, 3218340), (75, 2789228), (78, 2681950), (100, 2091921), (130, 1609170), (150, 1394614), (156, 1340975), (195, 1072780), (260, 804585), (300, 697307), (325, 643668), (390, 536390), (650, 321834), (780, 268195), (975, 214556), (1300, 160917), (1950, 107278), (3900, 53639)]