10821445880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{20857}}^1$

素因数の和:21001

約数の個数: 128

約数和(自身を含む): 29735164800

約数和(自身を除く): 18913718920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 109, 119, 136, 140, 170, 218, 238, 280, 340, 436, 476, 545, 595, 680, 763, 872, 952, 1090, 1190, 1526, 1853, 2180, 2380, 3052, 3706, 3815, 4360, 4760, 6104, 7412, 7630, 9265, 12971, 14824, 15260, 18530, 20857, 25942, 30520, 37060, 41714, 51884, 64855, 74120, 83428, 103768, 104285, 129710, 145999, 166856, 208570, 259420, 291998, 354569, 417140, 518840, 583996, 709138, 729995, 834280, 1167992, 1418276, 1459990, 1772845, 2273413, 2481983, 2836552, 2919980, 3545690, 4546826, 4963966, 5839960, 7091380, 9093652, 9927932, 11367065, 12409915, 14182760, 15913891, 18187304, 19855864, 22734130, 24819830, 31827782, 38648021, 45468260, 49639660, 63655564, 77296042, 79569455, 90936520, 99279320, 127311128, 154592084, 159138910, 193240105, 270536147, 309184168, 318277820, 386480210, 541072294, 636555640, 772960420, 1082144588, 1352680735, 1545920840, 2164289176, 2705361470, 5410722940, 10821445880]

約数ペア:

[(1, 10821445880), (2, 5410722940), (4, 2705361470), (5, 2164289176), (7, 1545920840), (8, 1352680735), (10, 1082144588), (14, 772960420), (17, 636555640), (20, 541072294), (28, 386480210), (34, 318277820), (35, 309184168), (40, 270536147), (56, 193240105), (68, 159138910), (70, 154592084), (85, 127311128), (109, 99279320), (119, 90936520), (136, 79569455), (140, 77296042), (170, 63655564), (218, 49639660), (238, 45468260), (280, 38648021), (340, 31827782), (436, 24819830), (476, 22734130), (545, 19855864), (595, 18187304), (680, 15913891), (763, 14182760), (872, 12409915), (952, 11367065), (1090, 9927932), (1190, 9093652), (1526, 7091380), (1853, 5839960), (2180, 4963966), (2380, 4546826), (3052, 3545690), (3706, 2919980), (3815, 2836552), (4360, 2481983), (4760, 2273413), (6104, 1772845), (7412, 1459990), (7630, 1418276), (9265, 1167992), (12971, 834280), (14824, 729995), (15260, 709138), (18530, 583996), (20857, 518840), (25942, 417140), (30520, 354569), (37060, 291998), (41714, 259420), (51884, 208570), (64855, 166856), (74120, 145999), (83428, 129710), (103768, 104285)]