3174220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 8043840

約数和(自身を除く): 4869620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 79, 82, 98, 140, 158, 164, 196, 205, 245, 287, 316, 395, 410, 490, 553, 574, 790, 820, 980, 1106, 1148, 1435, 1580, 2009, 2212, 2765, 2870, 3239, 3871, 4018, 5530, 5740, 6478, 7742, 8036, 10045, 11060, 12956, 15484, 16195, 19355, 20090, 22673, 32390, 38710, 40180, 45346, 64780, 77420, 90692, 113365, 158711, 226730, 317422, 453460, 634844, 793555, 1587110, 3174220]

約数ペア:

[(1, 3174220), (2, 1587110), (4, 793555), (5, 634844), (7, 453460), (10, 317422), (14, 226730), (20, 158711), (28, 113365), (35, 90692), (41, 77420), (49, 64780), (70, 45346), (79, 40180), (82, 38710), (98, 32390), (140, 22673), (158, 20090), (164, 19355), (196, 16195), (205, 15484), (245, 12956), (287, 11060), (316, 10045), (395, 8036), (410, 7742), (490, 6478), (553, 5740), (574, 5530), (790, 4018), (820, 3871), (980, 3239), (1106, 2870), (1148, 2765), (1435, 2212), (1580, 2009)]