2019658000

素因数分解:

$2^4\times 5^3\times {\mathrm{991}}^1\times {\mathrm{1019}}^1$

素因数の和:2033

約数の個数: 80

約数和(自身を含む): 4893258240

約数和(自身を除く): 2873600240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 991, 1000, 1019, 1982, 2000, 2038, 3964, 4076, 4955, 5095, 7928, 8152, 9910, 10190, 15856, 16304, 19820, 20380, 24775, 25475, 39640, 40760, 49550, 50950, 79280, 81520, 99100, 101900, 123875, 127375, 198200, 203800, 247750, 254750, 396400, 407600, 495500, 509500, 991000, 1009829, 1019000, 1982000, 2019658, 2038000, 4039316, 5049145, 8078632, 10098290, 16157264, 20196580, 25245725, 40393160, 50491450, 80786320, 100982900, 126228625, 201965800, 252457250, 403931600, 504914500, 1009829000, 2019658000]

約数ペア:

[(1, 2019658000), (2, 1009829000), (4, 504914500), (5, 403931600), (8, 252457250), (10, 201965800), (16, 126228625), (20, 100982900), (25, 80786320), (40, 50491450), (50, 40393160), (80, 25245725), (100, 20196580), (125, 16157264), (200, 10098290), (250, 8078632), (400, 5049145), (500, 4039316), (991, 2038000), (1000, 2019658), (1019, 1982000), (1982, 1019000), (2000, 1009829), (2038, 991000), (3964, 509500), (4076, 495500), (4955, 407600), (5095, 396400), (7928, 254750), (8152, 247750), (9910, 203800), (10190, 198200), (15856, 127375), (16304, 123875), (19820, 101900), (20380, 99100), (24775, 81520), (25475, 79280), (39640, 50950), (40760, 49550)]