81838900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 214361280

約数和(自身を除く): 132522380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 59, 65, 97, 100, 110, 118, 130, 143, 194, 220, 236, 260, 275, 286, 295, 325, 388, 485, 550, 572, 590, 649, 650, 715, 767, 970, 1067, 1100, 1180, 1261, 1298, 1300, 1430, 1475, 1534, 1940, 2134, 2425, 2522, 2596, 2860, 2950, 3068, 3245, 3575, 3835, 4268, 4850, 5044, 5335, 5723, 5900, 6305, 6490, 7150, 7670, 8437, 9700, 10670, 11446, 12610, 12980, 13871, 14300, 15340, 16225, 16874, 19175, 21340, 22892, 25220, 26675, 27742, 28615, 31525, 32450, 33748, 38350, 42185, 53350, 55484, 57230, 62953, 63050, 64900, 69355, 74399, 76700, 84370, 106700, 114460, 125906, 126100, 138710, 143075, 148798, 168740, 210925, 251812, 277420, 286150, 297596, 314765, 346775, 371995, 421850, 572300, 629530, 693550, 743990, 818389, 843700, 1259060, 1387100, 1487980, 1573825, 1636778, 1859975, 3147650, 3273556, 3719950, 4091945, 6295300, 7439900, 8183890, 16367780, 20459725, 40919450, 81838900]

約数ペア:

[(1, 81838900), (2, 40919450), (4, 20459725), (5, 16367780), (10, 8183890), (11, 7439900), (13, 6295300), (20, 4091945), (22, 3719950), (25, 3273556), (26, 3147650), (44, 1859975), (50, 1636778), (52, 1573825), (55, 1487980), (59, 1387100), (65, 1259060), (97, 843700), (100, 818389), (110, 743990), (118, 693550), (130, 629530), (143, 572300), (194, 421850), (220, 371995), (236, 346775), (260, 314765), (275, 297596), (286, 286150), (295, 277420), (325, 251812), (388, 210925), (485, 168740), (550, 148798), (572, 143075), (590, 138710), (649, 126100), (650, 125906), (715, 114460), (767, 106700), (970, 84370), (1067, 76700), (1100, 74399), (1180, 69355), (1261, 64900), (1298, 63050), (1300, 62953), (1430, 57230), (1475, 55484), (1534, 53350), (1940, 42185), (2134, 38350), (2425, 33748), (2522, 32450), (2596, 31525), (2860, 28615), (2950, 27742), (3068, 26675), (3245, 25220), (3575, 22892), (3835, 21340), (4268, 19175), (4850, 16874), (5044, 16225), (5335, 15340), (5723, 14300), (5900, 13871), (6305, 12980), (6490, 12610), (7150, 11446), (7670, 10670), (8437, 9700)]