1956129420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{245129}}^1$

素因数の和:245167

約数の個数: 96

約数和(自身を含む): 6589094400

約数和(自身を除く): 4632964980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 245129, 490258, 735387, 980516, 1225645, 1470774, 1715903, 2451290, 2941548, 3431806, 3676935, 4657451, 4902580, 5147709, 6863612, 7353870, 8579515, 9314902, 10295418, 13972353, 14707740, 17159030, 18629804, 20590836, 23287255, 25738545, 27944706, 32602157, 34318060, 46574510, 51477090, 55889412, 65204314, 69861765, 93149020, 97806471, 102954180, 130408628, 139723530, 163010785, 195612942, 279447060, 326021570, 391225884, 489032355, 652043140, 978064710, 1956129420]

約数ペア:

[(1, 1956129420), (2, 978064710), (3, 652043140), (4, 489032355), (5, 391225884), (6, 326021570), (7, 279447060), (10, 195612942), (12, 163010785), (14, 139723530), (15, 130408628), (19, 102954180), (20, 97806471), (21, 93149020), (28, 69861765), (30, 65204314), (35, 55889412), (38, 51477090), (42, 46574510), (57, 34318060), (60, 32602157), (70, 27944706), (76, 25738545), (84, 23287255), (95, 20590836), (105, 18629804), (114, 17159030), (133, 14707740), (140, 13972353), (190, 10295418), (210, 9314902), (228, 8579515), (266, 7353870), (285, 6863612), (380, 5147709), (399, 4902580), (420, 4657451), (532, 3676935), (570, 3431806), (665, 2941548), (798, 2451290), (1140, 1715903), (1330, 1470774), (1596, 1225645), (1995, 980516), (2660, 735387), (3990, 490258), (7980, 245129)]