219991800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{52379}}^1$

素因数の和:52405

約数の個数: 96

約数和(自身を含む): 779414400

約数和(自身を除く): 559422600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 52379, 104758, 157137, 209516, 261895, 314274, 366653, 419032, 523790, 628548, 733306, 785685, 1047580, 1099959, 1257096, 1309475, 1466612, 1571370, 1833265, 2095160, 2199918, 2618950, 2933224, 3142740, 3666530, 3928425, 4399836, 5237900, 5499795, 6285480, 7333060, 7856850, 8799672, 9166325, 10475800, 10999590, 14666120, 15713700, 18332650, 21999180, 27498975, 31427400, 36665300, 43998360, 54997950, 73330600, 109995900, 219991800]

約数ペア:

[(1, 219991800), (2, 109995900), (3, 73330600), (4, 54997950), (5, 43998360), (6, 36665300), (7, 31427400), (8, 27498975), (10, 21999180), (12, 18332650), (14, 15713700), (15, 14666120), (20, 10999590), (21, 10475800), (24, 9166325), (25, 8799672), (28, 7856850), (30, 7333060), (35, 6285480), (40, 5499795), (42, 5237900), (50, 4399836), (56, 3928425), (60, 3666530), (70, 3142740), (75, 2933224), (84, 2618950), (100, 2199918), (105, 2095160), (120, 1833265), (140, 1571370), (150, 1466612), (168, 1309475), (175, 1257096), (200, 1099959), (210, 1047580), (280, 785685), (300, 733306), (350, 628548), (420, 523790), (525, 419032), (600, 366653), (700, 314274), (840, 261895), (1050, 209516), (1400, 157137), (2100, 104758), (4200, 52379)]