131328700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 295293600

約数和(自身を除く): 163964900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 71, 100, 106, 142, 212, 265, 284, 349, 355, 530, 698, 710, 1060, 1325, 1396, 1420, 1745, 1775, 2650, 3490, 3550, 3763, 5300, 6980, 7100, 7526, 8725, 15052, 17450, 18497, 18815, 24779, 34900, 36994, 37630, 49558, 73988, 75260, 92485, 94075, 99116, 123895, 184970, 188150, 247790, 369940, 376300, 462425, 495580, 619475, 924850, 1238950, 1313287, 1849700, 2477900, 2626574, 5253148, 6566435, 13132870, 26265740, 32832175, 65664350, 131328700]

約数ペア:

[(1, 131328700), (2, 65664350), (4, 32832175), (5, 26265740), (10, 13132870), (20, 6566435), (25, 5253148), (50, 2626574), (53, 2477900), (71, 1849700), (100, 1313287), (106, 1238950), (142, 924850), (212, 619475), (265, 495580), (284, 462425), (349, 376300), (355, 369940), (530, 247790), (698, 188150), (710, 184970), (1060, 123895), (1325, 99116), (1396, 94075), (1420, 92485), (1745, 75260), (1775, 73988), (2650, 49558), (3490, 37630), (3550, 36994), (3763, 34900), (5300, 24779), (6980, 18815), (7100, 18497), (7526, 17450), (8725, 15052)]