289882240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:838

約数の個数: 128

約数和(自身を含む): 753984000

約数和(自身を除く): 464101760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 769, 992, 1178, 1216, 1240, 1520, 1538, 1984, 2356, 2432, 2480, 2945, 3040, 3076, 3845, 3968, 4712, 4960, 5890, 6080, 6152, 7690, 9424, 9920, 11780, 12160, 12304, 14611, 15380, 18848, 19840, 23560, 23839, 24608, 29222, 30760, 37696, 47120, 47678, 49216, 58444, 61520, 73055, 75392, 94240, 95356, 98432, 116888, 119195, 123040, 146110, 188480, 190712, 233776, 238390, 246080, 292220, 376960, 381424, 452941, 467552, 476780, 492160, 584440, 762848, 905882, 935104, 953560, 1168880, 1525696, 1811764, 1870208, 1907120, 2264705, 2337760, 3051392, 3623528, 3814240, 4529410, 4675520, 7247056, 7628480, 9058820, 9351040, 14494112, 15256960, 18117640, 28988224, 36235280, 57976448, 72470560, 144941120, 289882240]

約数ペア:

[(1, 289882240), (2, 144941120), (4, 72470560), (5, 57976448), (8, 36235280), (10, 28988224), (16, 18117640), (19, 15256960), (20, 14494112), (31, 9351040), (32, 9058820), (38, 7628480), (40, 7247056), (62, 4675520), (64, 4529410), (76, 3814240), (80, 3623528), (95, 3051392), (124, 2337760), (128, 2264705), (152, 1907120), (155, 1870208), (160, 1811764), (190, 1525696), (248, 1168880), (304, 953560), (310, 935104), (320, 905882), (380, 762848), (496, 584440), (589, 492160), (608, 476780), (620, 467552), (640, 452941), (760, 381424), (769, 376960), (992, 292220), (1178, 246080), (1216, 238390), (1240, 233776), (1520, 190712), (1538, 188480), (1984, 146110), (2356, 123040), (2432, 119195), (2480, 116888), (2945, 98432), (3040, 95356), (3076, 94240), (3845, 75392), (3968, 73055), (4712, 61520), (4960, 58444), (5890, 49216), (6080, 47678), (6152, 47120), (7690, 37696), (9424, 30760), (9920, 29222), (11780, 24608), (12160, 23839), (12304, 23560), (14611, 19840), (15380, 18848)]