8303540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 20923560

約数和(自身を除く): 12620020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 229, 245, 259, 370, 458, 490, 518, 740, 916, 980, 1036, 1145, 1295, 1603, 1813, 2290, 2590, 3206, 3626, 4580, 5180, 6412, 7252, 8015, 8473, 9065, 11221, 16030, 16946, 18130, 22442, 32060, 33892, 36260, 42365, 44884, 56105, 59311, 84730, 112210, 118622, 169460, 224420, 237244, 296555, 415177, 593110, 830354, 1186220, 1660708, 2075885, 4151770, 8303540]

約数ペア:

[(1, 8303540), (2, 4151770), (4, 2075885), (5, 1660708), (7, 1186220), (10, 830354), (14, 593110), (20, 415177), (28, 296555), (35, 237244), (37, 224420), (49, 169460), (70, 118622), (74, 112210), (98, 84730), (140, 59311), (148, 56105), (185, 44884), (196, 42365), (229, 36260), (245, 33892), (259, 32060), (370, 22442), (458, 18130), (490, 16946), (518, 16030), (740, 11221), (916, 9065), (980, 8473), (1036, 8015), (1145, 7252), (1295, 6412), (1603, 5180), (1813, 4580), (2290, 3626), (2590, 3206)]