220145950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 421379280

約数和(自身を除く): 201233330

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 178, 305, 445, 610, 811, 890, 1525, 1622, 2225, 3050, 4055, 4450, 5429, 8110, 10858, 20275, 27145, 40550, 49471, 54290, 72179, 98942, 135725, 144358, 247355, 271450, 360895, 494710, 721790, 1236775, 1804475, 2473550, 3608950, 4402919, 8805838, 22014595, 44029190, 110072975, 220145950]

約数ペア:

[(1, 220145950), (2, 110072975), (5, 44029190), (10, 22014595), (25, 8805838), (50, 4402919), (61, 3608950), (89, 2473550), (122, 1804475), (178, 1236775), (305, 721790), (445, 494710), (610, 360895), (811, 271450), (890, 247355), (1525, 144358), (1622, 135725), (2225, 98942), (3050, 72179), (4055, 54290), (4450, 49471), (5429, 40550), (8110, 27145), (10858, 20275)]