211651000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 549918720

約数和(自身を除く): 338267720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 71, 88, 100, 110, 125, 142, 200, 220, 250, 271, 275, 284, 355, 440, 500, 542, 550, 568, 710, 781, 1000, 1084, 1100, 1355, 1375, 1420, 1562, 1775, 2168, 2200, 2710, 2750, 2840, 2981, 3124, 3550, 3905, 5420, 5500, 5962, 6248, 6775, 7100, 7810, 8875, 10840, 11000, 11924, 13550, 14200, 14905, 15620, 17750, 19241, 19525, 23848, 27100, 29810, 31240, 33875, 35500, 38482, 39050, 54200, 59620, 67750, 71000, 74525, 76964, 78100, 96205, 97625, 119240, 135500, 149050, 153928, 156200, 192410, 195250, 211651, 271000, 298100, 372625, 384820, 390500, 423302, 481025, 596200, 745250, 769640, 781000, 846604, 962050, 1058255, 1490500, 1693208, 1924100, 2116510, 2405125, 2981000, 3848200, 4233020, 4810250, 5291275, 8466040, 9620500, 10582550, 19241000, 21165100, 26456375, 42330200, 52912750, 105825500, 211651000]

約数ペア:

[(1, 211651000), (2, 105825500), (4, 52912750), (5, 42330200), (8, 26456375), (10, 21165100), (11, 19241000), (20, 10582550), (22, 9620500), (25, 8466040), (40, 5291275), (44, 4810250), (50, 4233020), (55, 3848200), (71, 2981000), (88, 2405125), (100, 2116510), (110, 1924100), (125, 1693208), (142, 1490500), (200, 1058255), (220, 962050), (250, 846604), (271, 781000), (275, 769640), (284, 745250), (355, 596200), (440, 481025), (500, 423302), (542, 390500), (550, 384820), (568, 372625), (710, 298100), (781, 271000), (1000, 211651), (1084, 195250), (1100, 192410), (1355, 156200), (1375, 153928), (1420, 149050), (1562, 135500), (1775, 119240), (2168, 97625), (2200, 96205), (2710, 78100), (2750, 76964), (2840, 74525), (2981, 71000), (3124, 67750), (3550, 59620), (3905, 54200), (5420, 39050), (5500, 38482), (5962, 35500), (6248, 33875), (6775, 31240), (7100, 29810), (7810, 27100), (8875, 23848), (10840, 19525), (11000, 19241), (11924, 17750), (13550, 15620), (14200, 14905)]