198340480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:832

約数の個数: 128

約数和(自身を含む): 527788800

約数和(自身を除く): 329448320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 769, 806, 832, 992, 1040, 1240, 1538, 1612, 1664, 1984, 2015, 2080, 2480, 3076, 3224, 3845, 3968, 4030, 4160, 4960, 6152, 6448, 7690, 8060, 8320, 9920, 9997, 12304, 12896, 15380, 16120, 19840, 19994, 23839, 24608, 25792, 30760, 32240, 39988, 47678, 49216, 49985, 51584, 61520, 64480, 79976, 95356, 98432, 99970, 119195, 123040, 128960, 159952, 190712, 199940, 238390, 246080, 257920, 309907, 319904, 381424, 399880, 476780, 492160, 619814, 639808, 762848, 799760, 953560, 1239628, 1279616, 1525696, 1549535, 1599520, 1907120, 2479256, 3051392, 3099070, 3199040, 3814240, 4958512, 6198140, 6398080, 7628480, 9917024, 12396280, 15256960, 19834048, 24792560, 39668096, 49585120, 99170240, 198340480]

約数ペア:

[(1, 198340480), (2, 99170240), (4, 49585120), (5, 39668096), (8, 24792560), (10, 19834048), (13, 15256960), (16, 12396280), (20, 9917024), (26, 7628480), (31, 6398080), (32, 6198140), (40, 4958512), (52, 3814240), (62, 3199040), (64, 3099070), (65, 3051392), (80, 2479256), (104, 1907120), (124, 1599520), (128, 1549535), (130, 1525696), (155, 1279616), (160, 1239628), (208, 953560), (248, 799760), (260, 762848), (310, 639808), (320, 619814), (403, 492160), (416, 476780), (496, 399880), (520, 381424), (620, 319904), (640, 309907), (769, 257920), (806, 246080), (832, 238390), (992, 199940), (1040, 190712), (1240, 159952), (1538, 128960), (1612, 123040), (1664, 119195), (1984, 99970), (2015, 98432), (2080, 95356), (2480, 79976), (3076, 64480), (3224, 61520), (3845, 51584), (3968, 49985), (4030, 49216), (4160, 47678), (4960, 39988), (6152, 32240), (6448, 30760), (7690, 25792), (8060, 24608), (8320, 23839), (9920, 19994), (9997, 19840), (12304, 16120), (12896, 15380)]