121275980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2633}}^1$

素因数の和:2703

約数の個数: 72

約数和(自身を含む): 302678208

約数和(自身を除く): 181402228

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, 940, 980, 1316, 1645, 2303, 2633, 3290, 4606, 5266, 6580, 9212, 10532, 11515, 13165, 18431, 23030, 26330, 36862, 46060, 52660, 73724, 92155, 123751, 129017, 184310, 247502, 258034, 368620, 495004, 516068, 618755, 645085, 866257, 1237510, 1290170, 1732514, 2475020, 2580340, 3465028, 4331285, 6063799, 8662570, 12127598, 17325140, 24255196, 30318995, 60637990, 121275980]

約数ペア:

[(1, 121275980), (2, 60637990), (4, 30318995), (5, 24255196), (7, 17325140), (10, 12127598), (14, 8662570), (20, 6063799), (28, 4331285), (35, 3465028), (47, 2580340), (49, 2475020), (70, 1732514), (94, 1290170), (98, 1237510), (140, 866257), (188, 645085), (196, 618755), (235, 516068), (245, 495004), (329, 368620), (470, 258034), (490, 247502), (658, 184310), (940, 129017), (980, 123751), (1316, 92155), (1645, 73724), (2303, 52660), (2633, 46060), (3290, 36862), (4606, 26330), (5266, 23030), (6580, 18431), (9212, 13165), (10532, 11515)]