30353540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 75841920

約数和(自身を除く): 45488380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 659, 940, 980, 1316, 1318, 1645, 2303, 2636, 3290, 3295, 4606, 4613, 6580, 6590, 9212, 9226, 11515, 13180, 18452, 23030, 23065, 30973, 32291, 46060, 46130, 61946, 64582, 92260, 123892, 129164, 154865, 161455, 216811, 309730, 322910, 433622, 619460, 645820, 867244, 1084055, 1517677, 2168110, 3035354, 4336220, 6070708, 7588385, 15176770, 30353540]

約数ペア:

[(1, 30353540), (2, 15176770), (4, 7588385), (5, 6070708), (7, 4336220), (10, 3035354), (14, 2168110), (20, 1517677), (28, 1084055), (35, 867244), (47, 645820), (49, 619460), (70, 433622), (94, 322910), (98, 309730), (140, 216811), (188, 161455), (196, 154865), (235, 129164), (245, 123892), (329, 92260), (470, 64582), (490, 61946), (658, 46130), (659, 46060), (940, 32291), (980, 30973), (1316, 23065), (1318, 23030), (1645, 18452), (2303, 13180), (2636, 11515), (3290, 9226), (3295, 9212), (4606, 6590), (4613, 6580)]