138885890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 306104832

約数和(自身を除く): 167218942

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 169, 241, 286, 310, 338, 341, 403, 482, 682, 715, 806, 845, 1205, 1430, 1690, 1705, 1859, 2015, 2410, 2651, 3133, 3410, 3718, 4030, 4433, 5239, 5302, 6266, 7471, 8866, 9295, 10478, 13255, 14942, 15665, 18590, 22165, 26195, 26510, 31330, 34463, 37355, 40729, 44330, 52390, 57629, 68926, 74710, 81458, 82181, 97123, 115258, 164362, 172315, 194246, 203645, 288145, 344630, 407290, 410905, 448019, 485615, 576290, 821810, 896038, 971230, 1068353, 1262599, 2136706, 2240095, 2525198, 4480190, 5341765, 6312995, 10683530, 12625990, 13888589, 27777178, 69442945, 138885890]

約数ペア:

[(1, 138885890), (2, 69442945), (5, 27777178), (10, 13888589), (11, 12625990), (13, 10683530), (22, 6312995), (26, 5341765), (31, 4480190), (55, 2525198), (62, 2240095), (65, 2136706), (110, 1262599), (130, 1068353), (143, 971230), (155, 896038), (169, 821810), (241, 576290), (286, 485615), (310, 448019), (338, 410905), (341, 407290), (403, 344630), (482, 288145), (682, 203645), (715, 194246), (806, 172315), (845, 164362), (1205, 115258), (1430, 97123), (1690, 82181), (1705, 81458), (1859, 74710), (2015, 68926), (2410, 57629), (2651, 52390), (3133, 44330), (3410, 40729), (3718, 37355), (4030, 34463), (4433, 31330), (5239, 26510), (5302, 26195), (6266, 22165), (7471, 18590), (8866, 15665), (9295, 14942), (10478, 13255)]