2019895240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{509}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 5155488000

約数和(自身を除く): 3135592760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 311, 319, 440, 509, 580, 622, 638, 1018, 1160, 1244, 1276, 1555, 1595, 2036, 2488, 2545, 2552, 3110, 3190, 3421, 4072, 5090, 5599, 6220, 6380, 6842, 9019, 10180, 11198, 12440, 12760, 13684, 14761, 17105, 18038, 20360, 22396, 27368, 27995, 29522, 34210, 36076, 44792, 45095, 55990, 59044, 68420, 72152, 73805, 90190, 99209, 111980, 118088, 136840, 147610, 158299, 162371, 180380, 198418, 223960, 295220, 316598, 324742, 360760, 396836, 496045, 590440, 633196, 649484, 791495, 793672, 811855, 992090, 1266392, 1298968, 1582990, 1623710, 1741289, 1984180, 3165980, 3247420, 3482578, 3968360, 4590671, 6331960, 6494840, 6965156, 8706445, 9181342, 13930312, 17412890, 18362684, 22953355, 34825780, 36725368, 45906710, 50497381, 69651560, 91813420, 100994762, 183626840, 201989524, 252486905, 403979048, 504973810, 1009947620, 2019895240]

約数ペア:

[(1, 2019895240), (2, 1009947620), (4, 504973810), (5, 403979048), (8, 252486905), (10, 201989524), (11, 183626840), (20, 100994762), (22, 91813420), (29, 69651560), (40, 50497381), (44, 45906710), (55, 36725368), (58, 34825780), (88, 22953355), (110, 18362684), (116, 17412890), (145, 13930312), (220, 9181342), (232, 8706445), (290, 6965156), (311, 6494840), (319, 6331960), (440, 4590671), (509, 3968360), (580, 3482578), (622, 3247420), (638, 3165980), (1018, 1984180), (1160, 1741289), (1244, 1623710), (1276, 1582990), (1555, 1298968), (1595, 1266392), (2036, 992090), (2488, 811855), (2545, 793672), (2552, 791495), (3110, 649484), (3190, 633196), (3421, 590440), (4072, 496045), (5090, 396836), (5599, 360760), (6220, 324742), (6380, 316598), (6842, 295220), (9019, 223960), (10180, 198418), (11198, 180380), (12440, 162371), (12760, 158299), (13684, 147610), (14761, 136840), (17105, 118088), (18038, 111980), (20360, 99209), (22396, 90190), (27368, 73805), (27995, 72152), (29522, 68420), (34210, 59044), (36076, 55990), (44792, 45095)]