1028971900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:620

約数の個数: 108

約数和(自身を含む): 2471194264

約数和(自身を除く): 1442222364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 277, 307, 484, 550, 554, 605, 614, 1100, 1108, 1210, 1228, 1385, 1535, 2420, 2770, 3025, 3047, 3070, 3377, 5540, 6050, 6094, 6140, 6754, 6925, 7675, 12100, 12188, 13508, 13850, 15235, 15350, 16885, 27700, 30470, 30700, 33517, 33770, 37147, 60940, 67034, 67540, 74294, 76175, 84425, 85039, 134068, 148588, 152350, 167585, 168850, 170078, 185735, 304700, 335170, 337700, 340156, 371470, 425195, 670340, 742940, 837925, 850390, 928675, 935429, 1675850, 1700780, 1857350, 1870858, 2125975, 3351700, 3714700, 3741716, 4251950, 4677145, 8503900, 9354290, 10289719, 18708580, 20579438, 23385725, 41158876, 46771450, 51448595, 93542900, 102897190, 205794380, 257242975, 514485950, 1028971900]

約数ペア:

[(1, 1028971900), (2, 514485950), (4, 257242975), (5, 205794380), (10, 102897190), (11, 93542900), (20, 51448595), (22, 46771450), (25, 41158876), (44, 23385725), (50, 20579438), (55, 18708580), (100, 10289719), (110, 9354290), (121, 8503900), (220, 4677145), (242, 4251950), (275, 3741716), (277, 3714700), (307, 3351700), (484, 2125975), (550, 1870858), (554, 1857350), (605, 1700780), (614, 1675850), (1100, 935429), (1108, 928675), (1210, 850390), (1228, 837925), (1385, 742940), (1535, 670340), (2420, 425195), (2770, 371470), (3025, 340156), (3047, 337700), (3070, 335170), (3377, 304700), (5540, 185735), (6050, 170078), (6094, 168850), (6140, 167585), (6754, 152350), (6925, 148588), (7675, 134068), (12100, 85039), (12188, 84425), (13508, 76175), (13850, 74294), (15235, 67540), (15350, 67034), (16885, 60940), (27700, 37147), (30470, 33770), (30700, 33517)]