638007900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{2213}}^1$

素因数の和:2292

約数の個数: 108

約数和(自身を含む): 1908299736

約数和(自身を除く): 1270291836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 961, 1550, 1860, 1922, 2213, 2325, 2883, 3100, 3844, 4426, 4650, 4805, 5766, 6639, 8852, 9300, 9610, 11065, 11532, 13278, 14415, 19220, 22130, 24025, 26556, 28830, 33195, 44260, 48050, 55325, 57660, 66390, 68603, 72075, 96100, 110650, 132780, 137206, 144150, 165975, 205809, 221300, 274412, 288300, 331950, 343015, 411618, 663900, 686030, 823236, 1029045, 1372060, 1715075, 2058090, 2126693, 3430150, 4116180, 4253386, 5145225, 6380079, 6860300, 8506772, 10290450, 10633465, 12760158, 20580900, 21266930, 25520316, 31900395, 42533860, 53167325, 63800790, 106334650, 127601580, 159501975, 212669300, 319003950, 638007900]

約数ペア:

[(1, 638007900), (2, 319003950), (3, 212669300), (4, 159501975), (5, 127601580), (6, 106334650), (10, 63800790), (12, 53167325), (15, 42533860), (20, 31900395), (25, 25520316), (30, 21266930), (31, 20580900), (50, 12760158), (60, 10633465), (62, 10290450), (75, 8506772), (93, 6860300), (100, 6380079), (124, 5145225), (150, 4253386), (155, 4116180), (186, 3430150), (300, 2126693), (310, 2058090), (372, 1715075), (465, 1372060), (620, 1029045), (775, 823236), (930, 686030), (961, 663900), (1550, 411618), (1860, 343015), (1922, 331950), (2213, 288300), (2325, 274412), (2883, 221300), (3100, 205809), (3844, 165975), (4426, 144150), (4650, 137206), (4805, 132780), (5766, 110650), (6639, 96100), (8852, 72075), (9300, 68603), (9610, 66390), (11065, 57660), (11532, 55325), (13278, 48050), (14415, 44260), (19220, 33195), (22130, 28830), (24025, 26556)]