180098800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 499289472

約数和(自身を除く): 319190672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 131, 140, 175, 200, 262, 280, 350, 400, 491, 524, 560, 655, 700, 917, 982, 1048, 1310, 1400, 1834, 1964, 2096, 2455, 2620, 2800, 3275, 3437, 3668, 3928, 4585, 4910, 5240, 6550, 6874, 7336, 7856, 9170, 9820, 10480, 12275, 13100, 13748, 14672, 17185, 18340, 19640, 22925, 24550, 26200, 27496, 34370, 36680, 39280, 45850, 49100, 52400, 54992, 64321, 68740, 73360, 85925, 91700, 98200, 128642, 137480, 171850, 183400, 196400, 257284, 274960, 321605, 343700, 366800, 450247, 514568, 643210, 687400, 900494, 1029136, 1286420, 1374800, 1608025, 1800988, 2251235, 2572840, 3216050, 3601976, 4502470, 5145680, 6432100, 7203952, 9004940, 11256175, 12864200, 18009880, 22512350, 25728400, 36019760, 45024700, 90049400, 180098800]

約数ペア:

[(1, 180098800), (2, 90049400), (4, 45024700), (5, 36019760), (7, 25728400), (8, 22512350), (10, 18009880), (14, 12864200), (16, 11256175), (20, 9004940), (25, 7203952), (28, 6432100), (35, 5145680), (40, 4502470), (50, 3601976), (56, 3216050), (70, 2572840), (80, 2251235), (100, 1800988), (112, 1608025), (131, 1374800), (140, 1286420), (175, 1029136), (200, 900494), (262, 687400), (280, 643210), (350, 514568), (400, 450247), (491, 366800), (524, 343700), (560, 321605), (655, 274960), (700, 257284), (917, 196400), (982, 183400), (1048, 171850), (1310, 137480), (1400, 128642), (1834, 98200), (1964, 91700), (2096, 85925), (2455, 73360), (2620, 68740), (2800, 64321), (3275, 54992), (3437, 52400), (3668, 49100), (3928, 45850), (4585, 39280), (4910, 36680), (5240, 34370), (6550, 27496), (6874, 26200), (7336, 24550), (7856, 22925), (9170, 19640), (9820, 18340), (10480, 17185), (12275, 14672), (13100, 13748)]