16570820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 41665176

約数和(自身を除く): 25094356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 457, 490, 518, 740, 914, 980, 1036, 1295, 1813, 1828, 2285, 2590, 3199, 3626, 4570, 5180, 6398, 7252, 9065, 9140, 12796, 15995, 16909, 18130, 22393, 31990, 33818, 36260, 44786, 63980, 67636, 84545, 89572, 111965, 118363, 169090, 223930, 236726, 338180, 447860, 473452, 591815, 828541, 1183630, 1657082, 2367260, 3314164, 4142705, 8285410, 16570820]

約数ペア:

[(1, 16570820), (2, 8285410), (4, 4142705), (5, 3314164), (7, 2367260), (10, 1657082), (14, 1183630), (20, 828541), (28, 591815), (35, 473452), (37, 447860), (49, 338180), (70, 236726), (74, 223930), (98, 169090), (140, 118363), (148, 111965), (185, 89572), (196, 84545), (245, 67636), (259, 63980), (370, 44786), (457, 36260), (490, 33818), (518, 31990), (740, 22393), (914, 18130), (980, 16909), (1036, 15995), (1295, 12796), (1813, 9140), (1828, 9065), (2285, 7252), (2590, 6398), (3199, 5180), (3626, 4570)]