215107900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{631}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 535410176

約数和(自身を除く): 320302276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 487, 631, 700, 974, 1262, 1948, 2435, 2524, 3155, 3409, 4417, 4870, 6310, 6818, 8834, 9740, 12175, 12620, 13636, 15775, 17045, 17668, 22085, 24350, 31550, 34090, 44170, 48700, 63100, 68180, 85225, 88340, 110425, 170450, 220850, 307297, 340900, 441700, 614594, 1229188, 1536485, 2151079, 3072970, 4302158, 6145940, 7682425, 8604316, 10755395, 15364850, 21510790, 30729700, 43021580, 53776975, 107553950, 215107900]

約数ペア:

[(1, 215107900), (2, 107553950), (4, 53776975), (5, 43021580), (7, 30729700), (10, 21510790), (14, 15364850), (20, 10755395), (25, 8604316), (28, 7682425), (35, 6145940), (50, 4302158), (70, 3072970), (100, 2151079), (140, 1536485), (175, 1229188), (350, 614594), (487, 441700), (631, 340900), (700, 307297), (974, 220850), (1262, 170450), (1948, 110425), (2435, 88340), (2524, 85225), (3155, 68180), (3409, 63100), (4417, 48700), (4870, 44170), (6310, 34090), (6818, 31550), (8834, 24350), (9740, 22085), (12175, 17668), (12620, 17045), (13636, 15775)]