83957500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 207833472

約数和(自身を除く): 123875972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 71, 86, 100, 110, 125, 142, 172, 215, 220, 250, 275, 284, 355, 430, 473, 500, 550, 625, 710, 781, 860, 946, 1075, 1100, 1250, 1375, 1420, 1562, 1775, 1892, 2150, 2365, 2500, 2750, 3053, 3124, 3550, 3905, 4300, 4730, 5375, 5500, 6106, 6875, 7100, 7810, 8875, 9460, 10750, 11825, 12212, 13750, 15265, 15620, 17750, 19525, 21500, 23650, 26875, 27500, 30530, 33583, 35500, 39050, 44375, 47300, 53750, 59125, 61060, 67166, 76325, 78100, 88750, 97625, 107500, 118250, 134332, 152650, 167915, 177500, 195250, 236500, 295625, 305300, 335830, 381625, 390500, 488125, 591250, 671660, 763250, 839575, 976250, 1182500, 1526500, 1679150, 1908125, 1952500, 3358300, 3816250, 4197875, 7632500, 8395750, 16791500, 20989375, 41978750, 83957500]

約数ペア:

[(1, 83957500), (2, 41978750), (4, 20989375), (5, 16791500), (10, 8395750), (11, 7632500), (20, 4197875), (22, 3816250), (25, 3358300), (43, 1952500), (44, 1908125), (50, 1679150), (55, 1526500), (71, 1182500), (86, 976250), (100, 839575), (110, 763250), (125, 671660), (142, 591250), (172, 488125), (215, 390500), (220, 381625), (250, 335830), (275, 305300), (284, 295625), (355, 236500), (430, 195250), (473, 177500), (500, 167915), (550, 152650), (625, 134332), (710, 118250), (781, 107500), (860, 97625), (946, 88750), (1075, 78100), (1100, 76325), (1250, 67166), (1375, 61060), (1420, 59125), (1562, 53750), (1775, 47300), (1892, 44375), (2150, 39050), (2365, 35500), (2500, 33583), (2750, 30530), (3053, 27500), (3124, 26875), (3550, 23650), (3905, 21500), (4300, 19525), (4730, 17750), (5375, 15620), (5500, 15265), (6106, 13750), (6875, 12212), (7100, 11825), (7810, 10750), (8875, 9460)]