131698280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 358560000

約数和(自身を除く): 226861720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 331, 343, 392, 406, 490, 580, 662, 686, 812, 980, 1015, 1160, 1324, 1372, 1421, 1624, 1655, 1715, 1960, 2030, 2317, 2648, 2744, 2842, 3310, 3430, 4060, 4634, 5684, 6620, 6860, 7105, 8120, 9268, 9599, 9947, 11368, 11585, 13240, 13720, 14210, 16219, 18536, 19198, 19894, 23170, 28420, 32438, 38396, 39788, 46340, 47995, 49735, 56840, 64876, 67193, 76792, 79576, 81095, 92680, 95990, 99470, 113533, 129752, 134386, 162190, 191980, 198940, 227066, 268772, 324380, 335965, 383960, 397880, 454132, 470351, 537544, 567665, 648760, 671930, 908264, 940702, 1135330, 1343860, 1881404, 2270660, 2351755, 2687720, 3292457, 3762808, 4541320, 4703510, 6584914, 9407020, 13169828, 16462285, 18814040, 26339656, 32924570, 65849140, 131698280]

約数ペア:

[(1, 131698280), (2, 65849140), (4, 32924570), (5, 26339656), (7, 18814040), (8, 16462285), (10, 13169828), (14, 9407020), (20, 6584914), (28, 4703510), (29, 4541320), (35, 3762808), (40, 3292457), (49, 2687720), (56, 2351755), (58, 2270660), (70, 1881404), (98, 1343860), (116, 1135330), (140, 940702), (145, 908264), (196, 671930), (203, 648760), (232, 567665), (245, 537544), (280, 470351), (290, 454132), (331, 397880), (343, 383960), (392, 335965), (406, 324380), (490, 268772), (580, 227066), (662, 198940), (686, 191980), (812, 162190), (980, 134386), (1015, 129752), (1160, 113533), (1324, 99470), (1372, 95990), (1421, 92680), (1624, 81095), (1655, 79576), (1715, 76792), (1960, 67193), (2030, 64876), (2317, 56840), (2648, 49735), (2744, 47995), (2842, 46340), (3310, 39788), (3430, 38396), (4060, 32438), (4634, 28420), (5684, 23170), (6620, 19894), (6860, 19198), (7105, 18536), (8120, 16219), (9268, 14210), (9599, 13720), (9947, 13240), (11368, 11585)]