156985189780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51349}}^1\times {\mathrm{4931}}^1$

素因数の和:56320

約数の個数: 48

約数和(自身を含む): 340379020800

約数和(自身を除く): 183393831020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4931, 9862, 19724, 24655, 49310, 51349, 98620, 102698, 152861, 205396, 256745, 305722, 513490, 611444, 764305, 1026980, 1528610, 1591819, 3057220, 3183638, 6367276, 7959095, 15918190, 31836380, 253201919, 506403838, 1012807676, 1266009595, 2532019190, 5064038380, 7849259489, 15698518978, 31397037956, 39246297445, 78492594890, 156985189780]

約数ペア:

[(1, 156985189780), (2, 78492594890), (4, 39246297445), (5, 31397037956), (10, 15698518978), (20, 7849259489), (31, 5064038380), (62, 2532019190), (124, 1266009595), (155, 1012807676), (310, 506403838), (620, 253201919), (4931, 31836380), (9862, 15918190), (19724, 7959095), (24655, 6367276), (49310, 3183638), (51349, 3057220), (98620, 1591819), (102698, 1528610), (152861, 1026980), (205396, 764305), (256745, 611444), (305722, 513490)]