42764500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 97592040

約数和(自身を除く): 54827540

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 89, 100, 124, 125, 155, 178, 250, 310, 356, 445, 500, 620, 775, 890, 961, 1550, 1780, 1922, 2225, 2759, 3100, 3844, 3875, 4450, 4805, 5518, 7750, 8900, 9610, 11036, 11125, 13795, 15500, 19220, 22250, 24025, 27590, 44500, 48050, 55180, 68975, 85529, 96100, 120125, 137950, 171058, 240250, 275900, 342116, 344875, 427645, 480500, 689750, 855290, 1379500, 1710580, 2138225, 4276450, 8552900, 10691125, 21382250, 42764500]

約数ペア:

[(1, 42764500), (2, 21382250), (4, 10691125), (5, 8552900), (10, 4276450), (20, 2138225), (25, 1710580), (31, 1379500), (50, 855290), (62, 689750), (89, 480500), (100, 427645), (124, 344875), (125, 342116), (155, 275900), (178, 240250), (250, 171058), (310, 137950), (356, 120125), (445, 96100), (500, 85529), (620, 68975), (775, 55180), (890, 48050), (961, 44500), (1550, 27590), (1780, 24025), (1922, 22250), (2225, 19220), (2759, 15500), (3100, 13795), (3844, 11125), (3875, 11036), (4450, 9610), (4805, 8900), (5518, 7750)]