156959180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 391364736

約数和(自身を除く): 234405556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 157, 185, 193, 259, 314, 370, 386, 518, 628, 740, 772, 785, 965, 1036, 1099, 1295, 1351, 1570, 1930, 2198, 2590, 2702, 3140, 3860, 4396, 5180, 5404, 5495, 5809, 6755, 7141, 10990, 11618, 13510, 14282, 21980, 23236, 27020, 28564, 29045, 30301, 35705, 40663, 49987, 58090, 60602, 71410, 81326, 99974, 116180, 121204, 142820, 151505, 162652, 199948, 203315, 212107, 249935, 303010, 406630, 424214, 499870, 606020, 813260, 848428, 999740, 1060535, 1121137, 2121070, 2242274, 4242140, 4484548, 5605685, 7847959, 11211370, 15695918, 22422740, 31391836, 39239795, 78479590, 156959180]

約数ペア:

[(1, 156959180), (2, 78479590), (4, 39239795), (5, 31391836), (7, 22422740), (10, 15695918), (14, 11211370), (20, 7847959), (28, 5605685), (35, 4484548), (37, 4242140), (70, 2242274), (74, 2121070), (140, 1121137), (148, 1060535), (157, 999740), (185, 848428), (193, 813260), (259, 606020), (314, 499870), (370, 424214), (386, 406630), (518, 303010), (628, 249935), (740, 212107), (772, 203315), (785, 199948), (965, 162652), (1036, 151505), (1099, 142820), (1295, 121204), (1351, 116180), (1570, 99974), (1930, 81326), (2198, 71410), (2590, 60602), (2702, 58090), (3140, 49987), (3860, 40663), (4396, 35705), (5180, 30301), (5404, 29045), (5495, 28564), (5809, 27020), (6755, 23236), (7141, 21980), (10990, 14282), (11618, 13510)]