219208500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{6959}}^1$

素因数の和:6991

約数の個数: 144

約数和(自身を含む): 790433280

約数和(自身を除く): 571224780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1050, 1125, 1260, 1500, 1575, 1750, 2100, 2250, 2625, 3150, 3500, 4500, 5250, 6300, 6959, 7875, 10500, 13918, 15750, 20877, 27836, 31500, 34795, 41754, 48713, 62631, 69590, 83508, 97426, 104385, 125262, 139180, 146139, 173975, 194852, 208770, 243565, 250524, 292278, 313155, 347950, 417540, 438417, 487130, 521925, 584556, 626310, 695900, 730695, 869875, 876834, 974260, 1043850, 1217825, 1252620, 1461390, 1565775, 1739750, 1753668, 2087700, 2192085, 2435650, 2609625, 2922780, 3131550, 3479500, 3653475, 4384170, 4871300, 5219250, 6089125, 6263100, 7306950, 7828875, 8768340, 10438500, 10960425, 12178250, 14613900, 15657750, 18267375, 21920850, 24356500, 31315500, 36534750, 43841700, 54802125, 73069500, 109604250, 219208500]

約数ペア:

[(1, 219208500), (2, 109604250), (3, 73069500), (4, 54802125), (5, 43841700), (6, 36534750), (7, 31315500), (9, 24356500), (10, 21920850), (12, 18267375), (14, 15657750), (15, 14613900), (18, 12178250), (20, 10960425), (21, 10438500), (25, 8768340), (28, 7828875), (30, 7306950), (35, 6263100), (36, 6089125), (42, 5219250), (45, 4871300), (50, 4384170), (60, 3653475), (63, 3479500), (70, 3131550), (75, 2922780), (84, 2609625), (90, 2435650), (100, 2192085), (105, 2087700), (125, 1753668), (126, 1739750), (140, 1565775), (150, 1461390), (175, 1252620), (180, 1217825), (210, 1043850), (225, 974260), (250, 876834), (252, 869875), (300, 730695), (315, 695900), (350, 626310), (375, 584556), (420, 521925), (450, 487130), (500, 438417), (525, 417540), (630, 347950), (700, 313155), (750, 292278), (875, 250524), (900, 243565), (1050, 208770), (1125, 194852), (1260, 173975), (1500, 146139), (1575, 139180), (1750, 125262), (2100, 104385), (2250, 97426), (2625, 83508), (3150, 69590), (3500, 62631), (4500, 48713), (5250, 41754), (6300, 34795), (6959, 31500), (7875, 27836), (10500, 20877), (13918, 15750)]