9201220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 23126040

約数和(自身を除く): 13924820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 229, 245, 287, 410, 458, 490, 574, 820, 916, 980, 1145, 1148, 1435, 1603, 2009, 2290, 2870, 3206, 4018, 4580, 5740, 6412, 8015, 8036, 9389, 10045, 11221, 16030, 18778, 20090, 22442, 32060, 37556, 40180, 44884, 46945, 56105, 65723, 93890, 112210, 131446, 187780, 224420, 262892, 328615, 460061, 657230, 920122, 1314460, 1840244, 2300305, 4600610, 9201220]

約数ペア:

[(1, 9201220), (2, 4600610), (4, 2300305), (5, 1840244), (7, 1314460), (10, 920122), (14, 657230), (20, 460061), (28, 328615), (35, 262892), (41, 224420), (49, 187780), (70, 131446), (82, 112210), (98, 93890), (140, 65723), (164, 56105), (196, 46945), (205, 44884), (229, 40180), (245, 37556), (287, 32060), (410, 22442), (458, 20090), (490, 18778), (574, 16030), (820, 11221), (916, 10045), (980, 9389), (1145, 8036), (1148, 8015), (1435, 6412), (1603, 5740), (2009, 4580), (2290, 4018), (2870, 3206)]