304759420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{3079}}^1$

素因数の和:3203

約数の個数: 72

約数和(自身を含む): 752099040

約数和(自身を除く): 447339620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 707, 980, 1010, 1414, 2020, 2828, 3079, 3535, 4949, 6158, 7070, 9898, 12316, 14140, 15395, 19796, 21553, 24745, 30790, 43106, 49490, 61580, 86212, 98980, 107765, 150871, 215530, 301742, 310979, 431060, 603484, 621958, 754355, 1243916, 1508710, 1554895, 2176853, 3017420, 3109790, 4353706, 6219580, 8707412, 10884265, 15237971, 21768530, 30475942, 43537060, 60951884, 76189855, 152379710, 304759420]

約数ペア:

[(1, 304759420), (2, 152379710), (4, 76189855), (5, 60951884), (7, 43537060), (10, 30475942), (14, 21768530), (20, 15237971), (28, 10884265), (35, 8707412), (49, 6219580), (70, 4353706), (98, 3109790), (101, 3017420), (140, 2176853), (196, 1554895), (202, 1508710), (245, 1243916), (404, 754355), (490, 621958), (505, 603484), (707, 431060), (980, 310979), (1010, 301742), (1414, 215530), (2020, 150871), (2828, 107765), (3079, 98980), (3535, 86212), (4949, 61580), (6158, 49490), (7070, 43106), (9898, 30790), (12316, 24745), (14140, 21553), (15395, 19796)]