489849880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 1202441760

約数和(自身を除く): 712591880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 233, 260, 311, 338, 466, 520, 622, 676, 845, 932, 1165, 1244, 1352, 1555, 1690, 1864, 2330, 2488, 3029, 3110, 3380, 4043, 4660, 6058, 6220, 6760, 8086, 9320, 12116, 12440, 15145, 16172, 20215, 24232, 30290, 32344, 39377, 40430, 52559, 60580, 72463, 78754, 80860, 105118, 121160, 144926, 157508, 161720, 196885, 210236, 262795, 289852, 315016, 362315, 393770, 420472, 525590, 579704, 724630, 787540, 942019, 1051180, 1449260, 1575080, 1884038, 2102360, 2898520, 3768076, 4710095, 7536152, 9420190, 12246247, 18840380, 24492494, 37680760, 48984988, 61231235, 97969976, 122462470, 244924940, 489849880]

約数ペア:

[(1, 489849880), (2, 244924940), (4, 122462470), (5, 97969976), (8, 61231235), (10, 48984988), (13, 37680760), (20, 24492494), (26, 18840380), (40, 12246247), (52, 9420190), (65, 7536152), (104, 4710095), (130, 3768076), (169, 2898520), (233, 2102360), (260, 1884038), (311, 1575080), (338, 1449260), (466, 1051180), (520, 942019), (622, 787540), (676, 724630), (845, 579704), (932, 525590), (1165, 420472), (1244, 393770), (1352, 362315), (1555, 315016), (1690, 289852), (1864, 262795), (2330, 210236), (2488, 196885), (3029, 161720), (3110, 157508), (3380, 144926), (4043, 121160), (4660, 105118), (6058, 80860), (6220, 78754), (6760, 72463), (8086, 60580), (9320, 52559), (12116, 40430), (12440, 39377), (15145, 32344), (16172, 30290), (20215, 24232)]