19976250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{761}}^1$

素因数の和:793

約数の個数: 80

約数和(自身を含む): 57131712

約数和(自身を除く): 37155462

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 625, 750, 761, 875, 1050, 1250, 1522, 1750, 1875, 2283, 2625, 3750, 3805, 4375, 4566, 5250, 5327, 7610, 8750, 10654, 11415, 13125, 15981, 19025, 22830, 26250, 26635, 31962, 38050, 53270, 57075, 79905, 95125, 114150, 133175, 159810, 190250, 266350, 285375, 399525, 475625, 570750, 665875, 799050, 951250, 1331750, 1426875, 1997625, 2853750, 3329375, 3995250, 6658750, 9988125, 19976250]

約数ペア:

[(1, 19976250), (2, 9988125), (3, 6658750), (5, 3995250), (6, 3329375), (7, 2853750), (10, 1997625), (14, 1426875), (15, 1331750), (21, 951250), (25, 799050), (30, 665875), (35, 570750), (42, 475625), (50, 399525), (70, 285375), (75, 266350), (105, 190250), (125, 159810), (150, 133175), (175, 114150), (210, 95125), (250, 79905), (350, 57075), (375, 53270), (525, 38050), (625, 31962), (750, 26635), (761, 26250), (875, 22830), (1050, 19025), (1250, 15981), (1522, 13125), (1750, 11415), (1875, 10654), (2283, 8750), (2625, 7610), (3750, 5327), (3805, 5250), (4375, 4566)]