18854548900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{65173}}^1$

素因数の和:65461

約数の個数: 72

約数和(自身を含む): 44804257344

約数和(自身を除く): 25949708444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 263, 275, 526, 550, 1052, 1100, 1315, 2630, 2893, 5260, 5786, 6575, 11572, 13150, 14465, 26300, 28930, 57860, 65173, 72325, 130346, 144650, 260692, 289300, 325865, 651730, 716903, 1303460, 1433806, 1629325, 2867612, 3258650, 3584515, 6517300, 7169030, 14338060, 17140499, 17922575, 34280998, 35845150, 68561996, 71690300, 85702495, 171404990, 188545489, 342809980, 377090978, 428512475, 754181956, 857024950, 942727445, 1714049900, 1885454890, 3770909780, 4713637225, 9427274450, 18854548900]

約数ペア:

[(1, 18854548900), (2, 9427274450), (4, 4713637225), (5, 3770909780), (10, 1885454890), (11, 1714049900), (20, 942727445), (22, 857024950), (25, 754181956), (44, 428512475), (50, 377090978), (55, 342809980), (100, 188545489), (110, 171404990), (220, 85702495), (263, 71690300), (275, 68561996), (526, 35845150), (550, 34280998), (1052, 17922575), (1100, 17140499), (1315, 14338060), (2630, 7169030), (2893, 6517300), (5260, 3584515), (5786, 3258650), (6575, 2867612), (11572, 1629325), (13150, 1433806), (14465, 1303460), (26300, 716903), (28930, 651730), (57860, 325865), (65173, 289300), (72325, 260692), (130346, 144650)]