156986216680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1\times {\mathrm{29297}}^1$

素因数の和:30646

約数の個数: 64

約数和(自身を含む): 356761746000

約数和(自身を除く): 199775529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1229, 2180, 2458, 4360, 4916, 6145, 9832, 12290, 24580, 29297, 49160, 58594, 117188, 133961, 146485, 234376, 267922, 292970, 535844, 585940, 669805, 1071688, 1171880, 1339610, 2679220, 3193373, 5358440, 6386746, 12773492, 15966865, 25546984, 31933730, 36006013, 63867460, 72012026, 127734920, 144024052, 180030065, 288048104, 360060130, 720120260, 1440240520, 3924655417, 7849310834, 15698621668, 19623277085, 31397243336, 39246554170, 78493108340, 156986216680]

約数ペア:

[(1, 156986216680), (2, 78493108340), (4, 39246554170), (5, 31397243336), (8, 19623277085), (10, 15698621668), (20, 7849310834), (40, 3924655417), (109, 1440240520), (218, 720120260), (436, 360060130), (545, 288048104), (872, 180030065), (1090, 144024052), (1229, 127734920), (2180, 72012026), (2458, 63867460), (4360, 36006013), (4916, 31933730), (6145, 25546984), (9832, 15966865), (12290, 12773492), (24580, 6386746), (29297, 5358440), (49160, 3193373), (58594, 2679220), (117188, 1339610), (133961, 1171880), (146485, 1071688), (234376, 669805), (267922, 585940), (292970, 535844)]