87748220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 237867840

約数和(自身を除く): 150119620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 85, 92, 98, 115, 119, 140, 161, 170, 196, 229, 230, 238, 245, 322, 340, 391, 458, 460, 476, 490, 595, 644, 782, 805, 833, 916, 980, 1127, 1145, 1190, 1564, 1603, 1610, 1666, 1955, 2254, 2290, 2380, 2737, 3206, 3220, 3332, 3893, 3910, 4165, 4508, 4580, 5267, 5474, 5635, 6412, 7786, 7820, 8015, 8330, 10534, 10948, 11221, 11270, 13685, 15572, 16030, 16660, 19159, 19465, 21068, 22442, 22540, 26335, 27251, 27370, 32060, 36869, 38318, 38930, 44884, 52670, 54502, 54740, 56105, 73738, 76636, 77860, 89539, 95795, 105340, 109004, 112210, 136255, 147476, 179078, 184345, 190757, 191590, 224420, 258083, 272510, 358156, 368690, 381514, 383180, 447695, 516166, 545020, 626773, 737380, 763028, 895390, 953785, 1032332, 1253546, 1290415, 1790780, 1907570, 2507092, 2580830, 3133865, 3815140, 4387411, 5161660, 6267730, 8774822, 12535460, 17549644, 21937055, 43874110, 87748220]

約数ペア:

[(1, 87748220), (2, 43874110), (4, 21937055), (5, 17549644), (7, 12535460), (10, 8774822), (14, 6267730), (17, 5161660), (20, 4387411), (23, 3815140), (28, 3133865), (34, 2580830), (35, 2507092), (46, 1907570), (49, 1790780), (68, 1290415), (70, 1253546), (85, 1032332), (92, 953785), (98, 895390), (115, 763028), (119, 737380), (140, 626773), (161, 545020), (170, 516166), (196, 447695), (229, 383180), (230, 381514), (238, 368690), (245, 358156), (322, 272510), (340, 258083), (391, 224420), (458, 191590), (460, 190757), (476, 184345), (490, 179078), (595, 147476), (644, 136255), (782, 112210), (805, 109004), (833, 105340), (916, 95795), (980, 89539), (1127, 77860), (1145, 76636), (1190, 73738), (1564, 56105), (1603, 54740), (1610, 54502), (1666, 52670), (1955, 44884), (2254, 38930), (2290, 38318), (2380, 36869), (2737, 32060), (3206, 27370), (3220, 27251), (3332, 26335), (3893, 22540), (3910, 22442), (4165, 21068), (4508, 19465), (4580, 19159), (5267, 16660), (5474, 16030), (5635, 15572), (6412, 13685), (7786, 11270), (7820, 11221), (8015, 10948), (8330, 10534)]