5429000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 13057200

約数和(自身を除く): 7628200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 89, 100, 122, 125, 178, 200, 244, 250, 305, 356, 445, 488, 500, 610, 712, 890, 1000, 1220, 1525, 1780, 2225, 2440, 3050, 3560, 4450, 5429, 6100, 7625, 8900, 10858, 11125, 12200, 15250, 17800, 21716, 22250, 27145, 30500, 43432, 44500, 54290, 61000, 89000, 108580, 135725, 217160, 271450, 542900, 678625, 1085800, 1357250, 2714500, 5429000]

約数ペア:

[(1, 5429000), (2, 2714500), (4, 1357250), (5, 1085800), (8, 678625), (10, 542900), (20, 271450), (25, 217160), (40, 135725), (50, 108580), (61, 89000), (89, 61000), (100, 54290), (122, 44500), (125, 43432), (178, 30500), (200, 27145), (244, 22250), (250, 21716), (305, 17800), (356, 15250), (445, 12200), (488, 11125), (500, 10858), (610, 8900), (712, 7625), (890, 6100), (1000, 5429), (1220, 4450), (1525, 3560), (1780, 3050), (2225, 2440)]