130940780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 303878400

約数和(自身を除く): 172937620

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 67, 74, 76, 95, 134, 139, 148, 185, 190, 268, 278, 335, 370, 380, 556, 670, 695, 703, 740, 1273, 1340, 1390, 1406, 2479, 2546, 2641, 2780, 2812, 3515, 4958, 5092, 5143, 5282, 6365, 7030, 9313, 9916, 10286, 10564, 12395, 12730, 13205, 14060, 18626, 20572, 24790, 25460, 25715, 26410, 37252, 46565, 47101, 49580, 51430, 52820, 93130, 94202, 97717, 102860, 176947, 186260, 188404, 195434, 235505, 344581, 353894, 390868, 471010, 488585, 689162, 707788, 884735, 942020, 977170, 1378324, 1722905, 1769470, 1954340, 3445810, 3538940, 6547039, 6891620, 13094078, 26188156, 32735195, 65470390, 130940780]

約数ペア:

[(1, 130940780), (2, 65470390), (4, 32735195), (5, 26188156), (10, 13094078), (19, 6891620), (20, 6547039), (37, 3538940), (38, 3445810), (67, 1954340), (74, 1769470), (76, 1722905), (95, 1378324), (134, 977170), (139, 942020), (148, 884735), (185, 707788), (190, 689162), (268, 488585), (278, 471010), (335, 390868), (370, 353894), (380, 344581), (556, 235505), (670, 195434), (695, 188404), (703, 186260), (740, 176947), (1273, 102860), (1340, 97717), (1390, 94202), (1406, 93130), (2479, 52820), (2546, 51430), (2641, 49580), (2780, 47101), (2812, 46565), (3515, 37252), (4958, 26410), (5092, 25715), (5143, 25460), (5282, 24790), (6365, 20572), (7030, 18626), (9313, 14060), (9916, 13205), (10286, 12730), (10564, 12395)]