49175420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 108

約数和(自身を含む): 127695960

約数和(自身を除く): 78520540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 139, 140, 190, 196, 245, 266, 278, 361, 380, 490, 532, 556, 665, 695, 722, 931, 973, 980, 1330, 1390, 1444, 1805, 1862, 1946, 2527, 2641, 2660, 2780, 3610, 3724, 3892, 4655, 4865, 5054, 5282, 6811, 7220, 9310, 9730, 10108, 10564, 12635, 13205, 13622, 17689, 18487, 18620, 19460, 25270, 26410, 27244, 34055, 35378, 36974, 50179, 50540, 52820, 68110, 70756, 73948, 88445, 92435, 100358, 129409, 136220, 176890, 184870, 200716, 250895, 258818, 351253, 353780, 369740, 501790, 517636, 647045, 702506, 1003580, 1294090, 1405012, 1756265, 2458771, 2588180, 3512530, 4917542, 7025060, 9835084, 12293855, 24587710, 49175420]

約数ペア:

[(1, 49175420), (2, 24587710), (4, 12293855), (5, 9835084), (7, 7025060), (10, 4917542), (14, 3512530), (19, 2588180), (20, 2458771), (28, 1756265), (35, 1405012), (38, 1294090), (49, 1003580), (70, 702506), (76, 647045), (95, 517636), (98, 501790), (133, 369740), (139, 353780), (140, 351253), (190, 258818), (196, 250895), (245, 200716), (266, 184870), (278, 176890), (361, 136220), (380, 129409), (490, 100358), (532, 92435), (556, 88445), (665, 73948), (695, 70756), (722, 68110), (931, 52820), (973, 50540), (980, 50179), (1330, 36974), (1390, 35378), (1444, 34055), (1805, 27244), (1862, 26410), (1946, 25270), (2527, 19460), (2641, 18620), (2660, 18487), (2780, 17689), (3610, 13622), (3724, 13205), (3892, 12635), (4655, 10564), (4865, 10108), (5054, 9730), (5282, 9310), (6811, 7220)]