203314720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25933}}^1$

素因数の和:25962

約数の個数: 72

約数和(自身を含む): 558773964

約数和(自身を除く): 355459244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25933, 51866, 103732, 129665, 181531, 207464, 259330, 363062, 414928, 518660, 726124, 829856, 907655, 1037320, 1270717, 1452248, 1815310, 2074640, 2541434, 2904496, 3630620, 4149280, 5082868, 5808992, 6353585, 7261240, 10165736, 12707170, 14522480, 20331472, 25414340, 29044960, 40662944, 50828680, 101657360, 203314720]

約数ペア:

[(1, 203314720), (2, 101657360), (4, 50828680), (5, 40662944), (7, 29044960), (8, 25414340), (10, 20331472), (14, 14522480), (16, 12707170), (20, 10165736), (28, 7261240), (32, 6353585), (35, 5808992), (40, 5082868), (49, 4149280), (56, 3630620), (70, 2904496), (80, 2541434), (98, 2074640), (112, 1815310), (140, 1452248), (160, 1270717), (196, 1037320), (224, 907655), (245, 829856), (280, 726124), (392, 518660), (490, 414928), (560, 363062), (784, 259330), (980, 207464), (1120, 181531), (1568, 129665), (1960, 103732), (3920, 51866), (7840, 25933)]