78939490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 178113600

約数和(自身を除く): 99174110

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 61, 70, 95, 98, 122, 133, 139, 190, 245, 266, 278, 305, 427, 490, 610, 665, 695, 854, 931, 973, 1159, 1330, 1390, 1862, 1946, 2135, 2318, 2641, 2989, 4270, 4655, 4865, 5282, 5795, 5978, 6811, 8113, 8479, 9310, 9730, 11590, 13205, 13622, 14945, 16226, 16958, 18487, 26410, 29890, 34055, 36974, 40565, 42395, 56791, 59353, 68110, 81130, 84790, 92435, 113582, 118706, 129409, 161101, 184870, 258818, 283955, 296765, 322202, 415471, 567910, 593530, 647045, 805505, 830942, 1127707, 1294090, 1611010, 2077355, 2255414, 4154710, 5638535, 7893949, 11277070, 15787898, 39469745, 78939490]

約数ペア:

[(1, 78939490), (2, 39469745), (5, 15787898), (7, 11277070), (10, 7893949), (14, 5638535), (19, 4154710), (35, 2255414), (38, 2077355), (49, 1611010), (61, 1294090), (70, 1127707), (95, 830942), (98, 805505), (122, 647045), (133, 593530), (139, 567910), (190, 415471), (245, 322202), (266, 296765), (278, 283955), (305, 258818), (427, 184870), (490, 161101), (610, 129409), (665, 118706), (695, 113582), (854, 92435), (931, 84790), (973, 81130), (1159, 68110), (1330, 59353), (1390, 56791), (1862, 42395), (1946, 40565), (2135, 36974), (2318, 34055), (2641, 29890), (2989, 26410), (4270, 18487), (4655, 16958), (4865, 16226), (5282, 14945), (5795, 13622), (5978, 13205), (6811, 11590), (8113, 9730), (8479, 9310)]