156986170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2491

約数の個数: 64

約数和(自身を含む): 335093760

約数和(自身を除く): 178107590

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2090, 2423, 2945, 3410, 4846, 5890, 6479, 12115, 12958, 24230, 26653, 32395, 46037, 53306, 64790, 75113, 92074, 133265, 150226, 230185, 266530, 375565, 460370, 506407, 751130, 826243, 1012814, 1427147, 1652486, 2532035, 2854294, 4131215, 5064070, 7135735, 8262430, 14271470, 15698617, 31397234, 78493085, 156986170]

約数ペア:

[(1, 156986170), (2, 78493085), (5, 31397234), (10, 15698617), (11, 14271470), (19, 8262430), (22, 7135735), (31, 5064070), (38, 4131215), (55, 2854294), (62, 2532035), (95, 1652486), (110, 1427147), (155, 1012814), (190, 826243), (209, 751130), (310, 506407), (341, 460370), (418, 375565), (589, 266530), (682, 230185), (1045, 150226), (1178, 133265), (1705, 92074), (2090, 75113), (2423, 64790), (2945, 53306), (3410, 46037), (4846, 32395), (5890, 26653), (6479, 24230), (12115, 12958)]