218920227940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{1089047}}^1$

素因数の和:1089121

約数の個数: 72

約数和(自身を含む): 505884576960

約数和(自身を除く): 286964349020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 529, 874, 1058, 1748, 2116, 2185, 2645, 4370, 5290, 8740, 10051, 10580, 20102, 40204, 50255, 100510, 201020, 1089047, 2178094, 4356188, 5445235, 10890470, 20691893, 21780940, 25048081, 41383786, 50096162, 82767572, 100192324, 103459465, 125240405, 206918930, 250480810, 413837860, 475913539, 500961620, 576105863, 951827078, 1152211726, 1903654156, 2304423452, 2379567695, 2880529315, 4759135390, 5761058630, 9518270780, 10946011397, 11522117260, 21892022794, 43784045588, 54730056985, 109460113970, 218920227940]

約数ペア:

[(1, 218920227940), (2, 109460113970), (4, 54730056985), (5, 43784045588), (10, 21892022794), (19, 11522117260), (20, 10946011397), (23, 9518270780), (38, 5761058630), (46, 4759135390), (76, 2880529315), (92, 2379567695), (95, 2304423452), (115, 1903654156), (190, 1152211726), (230, 951827078), (380, 576105863), (437, 500961620), (460, 475913539), (529, 413837860), (874, 250480810), (1058, 206918930), (1748, 125240405), (2116, 103459465), (2185, 100192324), (2645, 82767572), (4370, 50096162), (5290, 41383786), (8740, 25048081), (10051, 21780940), (10580, 20691893), (20102, 10890470), (40204, 5445235), (50255, 4356188), (100510, 2178094), (201020, 1089047)]