205305200

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 512020800

約数和(自身を除く): 306715600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 79, 80, 89, 100, 146, 158, 178, 200, 292, 316, 356, 365, 395, 400, 445, 584, 632, 712, 730, 790, 890, 1168, 1264, 1424, 1460, 1580, 1780, 1825, 1975, 2225, 2920, 3160, 3560, 3650, 3950, 4450, 5767, 5840, 6320, 6497, 7031, 7120, 7300, 7900, 8900, 11534, 12994, 14062, 14600, 15800, 17800, 23068, 25988, 28124, 28835, 29200, 31600, 32485, 35155, 35600, 46136, 51976, 56248, 57670, 64970, 70310, 92272, 103952, 112496, 115340, 129940, 140620, 144175, 162425, 175775, 230680, 259880, 281240, 288350, 324850, 351550, 461360, 513263, 519760, 562480, 576700, 649700, 703100, 1026526, 1153400, 1299400, 1406200, 2053052, 2306800, 2566315, 2598800, 2812400, 4106104, 5132630, 8212208, 10265260, 12831575, 20530520, 25663150, 41061040, 51326300, 102652600, 205305200]

約数ペア:

[(1, 205305200), (2, 102652600), (4, 51326300), (5, 41061040), (8, 25663150), (10, 20530520), (16, 12831575), (20, 10265260), (25, 8212208), (40, 5132630), (50, 4106104), (73, 2812400), (79, 2598800), (80, 2566315), (89, 2306800), (100, 2053052), (146, 1406200), (158, 1299400), (178, 1153400), (200, 1026526), (292, 703100), (316, 649700), (356, 576700), (365, 562480), (395, 519760), (400, 513263), (445, 461360), (584, 351550), (632, 324850), (712, 288350), (730, 281240), (790, 259880), (890, 230680), (1168, 175775), (1264, 162425), (1424, 144175), (1460, 140620), (1580, 129940), (1780, 115340), (1825, 112496), (1975, 103952), (2225, 92272), (2920, 70310), (3160, 64970), (3560, 57670), (3650, 56248), (3950, 51976), (4450, 46136), (5767, 35600), (5840, 35155), (6320, 32485), (6497, 31600), (7031, 29200), (7120, 28835), (7300, 28124), (7900, 25988), (8900, 23068), (11534, 17800), (12994, 15800), (14062, 14600)]