197048120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 453427200

約数和(自身を除く): 256379080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 127, 158, 254, 316, 395, 491, 508, 632, 635, 790, 982, 1016, 1270, 1580, 1964, 2455, 2540, 3160, 3928, 4910, 5080, 9820, 10033, 19640, 20066, 38789, 40132, 50165, 62357, 77578, 80264, 100330, 124714, 155156, 193945, 200660, 249428, 310312, 311785, 387890, 401320, 498856, 623570, 775780, 1247140, 1551560, 2494280, 4926203, 9852406, 19704812, 24631015, 39409624, 49262030, 98524060, 197048120]

約数ペア:

[(1, 197048120), (2, 98524060), (4, 49262030), (5, 39409624), (8, 24631015), (10, 19704812), (20, 9852406), (40, 4926203), (79, 2494280), (127, 1551560), (158, 1247140), (254, 775780), (316, 623570), (395, 498856), (491, 401320), (508, 387890), (632, 311785), (635, 310312), (790, 249428), (982, 200660), (1016, 193945), (1270, 155156), (1580, 124714), (1964, 100330), (2455, 80264), (2540, 77578), (3160, 62357), (3928, 50165), (4910, 40132), (5080, 38789), (9820, 20066), (10033, 19640)]