137261800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 359441280

約数和(自身を除く): 222179480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 131, 155, 169, 200, 248, 260, 262, 310, 325, 338, 403, 520, 524, 620, 650, 655, 676, 775, 806, 845, 1048, 1240, 1300, 1310, 1352, 1550, 1612, 1690, 1703, 2015, 2600, 2620, 3100, 3224, 3275, 3380, 3406, 4030, 4061, 4225, 5239, 5240, 6200, 6550, 6760, 6812, 8060, 8122, 8450, 8515, 10075, 10478, 13100, 13624, 16120, 16244, 16900, 17030, 20150, 20305, 20956, 22139, 26195, 26200, 32488, 33800, 34060, 40300, 40610, 41912, 42575, 44278, 52390, 52793, 68120, 80600, 81220, 85150, 88556, 101525, 104780, 105586, 110695, 130975, 162440, 170300, 177112, 203050, 209560, 211172, 221390, 261950, 263965, 340600, 406100, 422344, 442780, 523900, 527930, 553475, 686309, 812200, 885560, 1047800, 1055860, 1106950, 1319825, 1372618, 2111720, 2213900, 2639650, 2745236, 3431545, 4427800, 5279300, 5490472, 6863090, 10558600, 13726180, 17157725, 27452360, 34315450, 68630900, 137261800]

約数ペア:

[(1, 137261800), (2, 68630900), (4, 34315450), (5, 27452360), (8, 17157725), (10, 13726180), (13, 10558600), (20, 6863090), (25, 5490472), (26, 5279300), (31, 4427800), (40, 3431545), (50, 2745236), (52, 2639650), (62, 2213900), (65, 2111720), (100, 1372618), (104, 1319825), (124, 1106950), (130, 1055860), (131, 1047800), (155, 885560), (169, 812200), (200, 686309), (248, 553475), (260, 527930), (262, 523900), (310, 442780), (325, 422344), (338, 406100), (403, 340600), (520, 263965), (524, 261950), (620, 221390), (650, 211172), (655, 209560), (676, 203050), (775, 177112), (806, 170300), (845, 162440), (1048, 130975), (1240, 110695), (1300, 105586), (1310, 104780), (1352, 101525), (1550, 88556), (1612, 85150), (1690, 81220), (1703, 80600), (2015, 68120), (2600, 52793), (2620, 52390), (3100, 44278), (3224, 42575), (3275, 41912), (3380, 40610), (3406, 40300), (4030, 34060), (4061, 33800), (4225, 32488), (5239, 26200), (5240, 26195), (6200, 22139), (6550, 20956), (6760, 20305), (6812, 20150), (8060, 17030), (8122, 16900), (8450, 16244), (8515, 16120), (10075, 13624), (10478, 13100)]