89963020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2239}}^1$

素因数の和:2303

約数の個数: 72

約数和(自身を含む): 225227520

約数和(自身を除く): 135264500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2239, 2870, 4018, 4478, 5740, 8036, 8956, 10045, 11195, 15673, 20090, 22390, 31346, 40180, 44780, 62692, 78365, 91799, 109711, 156730, 183598, 219422, 313460, 367196, 438844, 458995, 548555, 642593, 917990, 1097110, 1285186, 1835980, 2194220, 2570372, 3212965, 4498151, 6425930, 8996302, 12851860, 17992604, 22490755, 44981510, 89963020]

約数ペア:

[(1, 89963020), (2, 44981510), (4, 22490755), (5, 17992604), (7, 12851860), (10, 8996302), (14, 6425930), (20, 4498151), (28, 3212965), (35, 2570372), (41, 2194220), (49, 1835980), (70, 1285186), (82, 1097110), (98, 917990), (140, 642593), (164, 548555), (196, 458995), (205, 438844), (245, 367196), (287, 313460), (410, 219422), (490, 183598), (574, 156730), (820, 109711), (980, 91799), (1148, 78365), (1435, 62692), (2009, 44780), (2239, 40180), (2870, 31346), (4018, 22390), (4478, 20090), (5740, 15673), (8036, 11195), (8956, 10045)]