138715220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 348311040

約数和(自身を除く): 209595820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 61, 70, 74, 122, 140, 148, 185, 244, 259, 305, 370, 427, 439, 518, 610, 740, 854, 878, 1036, 1220, 1295, 1708, 1756, 2135, 2195, 2257, 2590, 3073, 4270, 4390, 4514, 5180, 6146, 8540, 8780, 9028, 11285, 12292, 15365, 15799, 16243, 22570, 26779, 30730, 31598, 32486, 45140, 53558, 61460, 63196, 64972, 78995, 81215, 107116, 113701, 133895, 157990, 162430, 187453, 227402, 267790, 315980, 324860, 374906, 454804, 535580, 568505, 749812, 937265, 990823, 1137010, 1874530, 1981646, 2274020, 3749060, 3963292, 4954115, 6935761, 9908230, 13871522, 19816460, 27743044, 34678805, 69357610, 138715220]

約数ペア:

[(1, 138715220), (2, 69357610), (4, 34678805), (5, 27743044), (7, 19816460), (10, 13871522), (14, 9908230), (20, 6935761), (28, 4954115), (35, 3963292), (37, 3749060), (61, 2274020), (70, 1981646), (74, 1874530), (122, 1137010), (140, 990823), (148, 937265), (185, 749812), (244, 568505), (259, 535580), (305, 454804), (370, 374906), (427, 324860), (439, 315980), (518, 267790), (610, 227402), (740, 187453), (854, 162430), (878, 157990), (1036, 133895), (1220, 113701), (1295, 107116), (1708, 81215), (1756, 78995), (2135, 64972), (2195, 63196), (2257, 61460), (2590, 53558), (3073, 45140), (4270, 32486), (4390, 31598), (4514, 30730), (5180, 26779), (6146, 22570), (8540, 16243), (8780, 15799), (9028, 15365), (11285, 12292)]