39621400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 115773840

約数和(自身を除く): 76152440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 311, 325, 350, 364, 392, 455, 490, 520, 622, 637, 650, 700, 728, 910, 980, 1225, 1244, 1274, 1300, 1400, 1555, 1820, 1960, 2177, 2275, 2450, 2488, 2548, 2600, 3110, 3185, 3640, 4043, 4354, 4550, 4900, 5096, 6220, 6370, 7775, 8086, 8708, 9100, 9800, 10885, 12440, 12740, 15239, 15550, 15925, 16172, 17416, 18200, 20215, 21770, 25480, 28301, 30478, 31100, 31850, 32344, 40430, 43540, 54425, 56602, 60956, 62200, 63700, 76195, 80860, 87080, 101075, 108850, 113204, 121912, 127400, 141505, 152390, 161720, 198107, 202150, 217700, 226408, 283010, 304780, 380975, 396214, 404300, 435400, 566020, 609560, 707525, 761950, 792428, 808600, 990535, 1132040, 1415050, 1523900, 1584856, 1981070, 2830100, 3047800, 3962140, 4952675, 5660200, 7924280, 9905350, 19810700, 39621400]

約数ペア:

[(1, 39621400), (2, 19810700), (4, 9905350), (5, 7924280), (7, 5660200), (8, 4952675), (10, 3962140), (13, 3047800), (14, 2830100), (20, 1981070), (25, 1584856), (26, 1523900), (28, 1415050), (35, 1132040), (40, 990535), (49, 808600), (50, 792428), (52, 761950), (56, 707525), (65, 609560), (70, 566020), (91, 435400), (98, 404300), (100, 396214), (104, 380975), (130, 304780), (140, 283010), (175, 226408), (182, 217700), (196, 202150), (200, 198107), (245, 161720), (260, 152390), (280, 141505), (311, 127400), (325, 121912), (350, 113204), (364, 108850), (392, 101075), (455, 87080), (490, 80860), (520, 76195), (622, 63700), (637, 62200), (650, 60956), (700, 56602), (728, 54425), (910, 43540), (980, 40430), (1225, 32344), (1244, 31850), (1274, 31100), (1300, 30478), (1400, 28301), (1555, 25480), (1820, 21770), (1960, 20215), (2177, 18200), (2275, 17416), (2450, 16172), (2488, 15925), (2548, 15550), (2600, 15239), (3110, 12740), (3185, 12440), (3640, 10885), (4043, 9800), (4354, 9100), (4550, 8708), (4900, 8086), (5096, 7775), (6220, 6370)]