7192220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 18098640

約数和(自身を除く): 10906420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 179, 196, 205, 245, 287, 358, 410, 490, 574, 716, 820, 895, 980, 1148, 1253, 1435, 1790, 2009, 2506, 2870, 3580, 4018, 5012, 5740, 6265, 7339, 8036, 8771, 10045, 12530, 14678, 17542, 20090, 25060, 29356, 35084, 36695, 40180, 43855, 51373, 73390, 87710, 102746, 146780, 175420, 205492, 256865, 359611, 513730, 719222, 1027460, 1438444, 1798055, 3596110, 7192220]

約数ペア:

[(1, 7192220), (2, 3596110), (4, 1798055), (5, 1438444), (7, 1027460), (10, 719222), (14, 513730), (20, 359611), (28, 256865), (35, 205492), (41, 175420), (49, 146780), (70, 102746), (82, 87710), (98, 73390), (140, 51373), (164, 43855), (179, 40180), (196, 36695), (205, 35084), (245, 29356), (287, 25060), (358, 20090), (410, 17542), (490, 14678), (574, 12530), (716, 10045), (820, 8771), (895, 8036), (980, 7339), (1148, 6265), (1253, 5740), (1435, 5012), (1790, 4018), (2009, 3580), (2506, 2870)]