678491044

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 1570038400

約数和(自身を除く): 891547356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 61, 67, 77, 98, 121, 122, 134, 154, 196, 242, 244, 268, 308, 343, 427, 469, 484, 539, 671, 686, 737, 847, 854, 938, 1078, 1342, 1372, 1474, 1694, 1708, 1876, 2156, 2684, 2948, 2989, 3283, 3388, 3773, 4087, 4697, 5159, 5929, 5978, 6566, 7381, 7546, 8107, 8174, 9394, 10318, 11858, 11956, 13132, 14762, 15092, 16214, 16348, 18788, 20636, 20923, 22981, 23716, 28609, 29524, 32428, 32879, 36113, 41503, 41846, 44957, 45962, 51667, 56749, 57218, 65758, 72226, 83006, 83692, 89914, 91924, 103334, 113498, 114436, 131516, 144452, 166012, 179828, 200263, 206668, 226996, 230153, 252791, 314699, 361669, 397243, 400526, 460306, 494527, 505582, 629398, 723338, 794486, 801052, 920612, 989054, 1011164, 1258796, 1401841, 1446676, 1588972, 1978108, 2202893, 2531683, 2780701, 2803682, 3461689, 4405786, 5063366, 5561402, 5607364, 6923378, 8811572, 10126732, 11122804, 13846756, 15420251, 24231823, 30840502, 48463646, 61681004, 96927292, 169622761, 339245522, 678491044]

約数ペア:

[(1, 678491044), (2, 339245522), (4, 169622761), (7, 96927292), (11, 61681004), (14, 48463646), (22, 30840502), (28, 24231823), (44, 15420251), (49, 13846756), (61, 11122804), (67, 10126732), (77, 8811572), (98, 6923378), (121, 5607364), (122, 5561402), (134, 5063366), (154, 4405786), (196, 3461689), (242, 2803682), (244, 2780701), (268, 2531683), (308, 2202893), (343, 1978108), (427, 1588972), (469, 1446676), (484, 1401841), (539, 1258796), (671, 1011164), (686, 989054), (737, 920612), (847, 801052), (854, 794486), (938, 723338), (1078, 629398), (1342, 505582), (1372, 494527), (1474, 460306), (1694, 400526), (1708, 397243), (1876, 361669), (2156, 314699), (2684, 252791), (2948, 230153), (2989, 226996), (3283, 206668), (3388, 200263), (3773, 179828), (4087, 166012), (4697, 144452), (5159, 131516), (5929, 114436), (5978, 113498), (6566, 103334), (7381, 91924), (7546, 89914), (8107, 83692), (8174, 83006), (9394, 72226), (10318, 65758), (11858, 57218), (11956, 56749), (13132, 51667), (14762, 45962), (15092, 44957), (16214, 41846), (16348, 41503), (18788, 36113), (20636, 32879), (20923, 32428), (22981, 29524), (23716, 28609)]