131208220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3529}}^1$

素因数の和:3575

約数の個数: 72

約数和(自身を含む): 325578960

約数和(自身を除く): 194370740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3529, 3718, 7058, 7436, 9295, 14116, 17645, 18590, 35290, 37180, 38819, 45877, 70580, 77638, 91754, 155276, 183508, 194095, 229385, 388190, 458770, 504647, 596401, 776380, 917540, 1009294, 1192802, 2018588, 2385604, 2523235, 2982005, 5046470, 5964010, 6560411, 10092940, 11928020, 13120822, 26241644, 32802055, 65604110, 131208220]

約数ペア:

[(1, 131208220), (2, 65604110), (4, 32802055), (5, 26241644), (10, 13120822), (11, 11928020), (13, 10092940), (20, 6560411), (22, 5964010), (26, 5046470), (44, 2982005), (52, 2523235), (55, 2385604), (65, 2018588), (110, 1192802), (130, 1009294), (143, 917540), (169, 776380), (220, 596401), (260, 504647), (286, 458770), (338, 388190), (572, 229385), (676, 194095), (715, 183508), (845, 155276), (1430, 91754), (1690, 77638), (1859, 70580), (2860, 45877), (3380, 38819), (3529, 37180), (3718, 35290), (7058, 18590), (7436, 17645), (9295, 14116)]