54490250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 107827200

約数和(自身を除く): 53336950

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 89, 125, 155, 158, 178, 250, 310, 395, 445, 775, 790, 890, 1550, 1975, 2225, 2449, 2759, 3875, 3950, 4450, 4898, 5518, 7031, 7750, 9875, 11125, 12245, 13795, 14062, 19750, 22250, 24490, 27590, 35155, 61225, 68975, 70310, 122450, 137950, 175775, 217961, 306125, 344875, 351550, 435922, 612250, 689750, 878875, 1089805, 1757750, 2179610, 5449025, 10898050, 27245125, 54490250]

約数ペア:

[(1, 54490250), (2, 27245125), (5, 10898050), (10, 5449025), (25, 2179610), (31, 1757750), (50, 1089805), (62, 878875), (79, 689750), (89, 612250), (125, 435922), (155, 351550), (158, 344875), (178, 306125), (250, 217961), (310, 175775), (395, 137950), (445, 122450), (775, 70310), (790, 68975), (890, 61225), (1550, 35155), (1975, 27590), (2225, 24490), (2449, 22250), (2759, 19750), (3875, 14062), (3950, 13795), (4450, 12245), (4898, 11125), (5518, 9875), (7031, 7750)]