438970420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3527}}^1$

素因数の和:3677

約数の個数: 72

約数和(自身を含む): 1081092096

約数和(自身を除く): 642121676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 508, 635, 889, 980, 1270, 1778, 2540, 3527, 3556, 4445, 6223, 7054, 8890, 12446, 14108, 17635, 17780, 24689, 24892, 31115, 35270, 49378, 62230, 70540, 98756, 123445, 124460, 172823, 246890, 345646, 447929, 493780, 691292, 864115, 895858, 1728230, 1791716, 2239645, 3135503, 3456460, 4479290, 6271006, 8958580, 12542012, 15677515, 21948521, 31355030, 43897042, 62710060, 87794084, 109742605, 219485210, 438970420]

約数ペア:

[(1, 438970420), (2, 219485210), (4, 109742605), (5, 87794084), (7, 62710060), (10, 43897042), (14, 31355030), (20, 21948521), (28, 15677515), (35, 12542012), (49, 8958580), (70, 6271006), (98, 4479290), (127, 3456460), (140, 3135503), (196, 2239645), (245, 1791716), (254, 1728230), (490, 895858), (508, 864115), (635, 691292), (889, 493780), (980, 447929), (1270, 345646), (1778, 246890), (2540, 172823), (3527, 124460), (3556, 123445), (4445, 98756), (6223, 70540), (7054, 62230), (8890, 49378), (12446, 35270), (14108, 31115), (17635, 24892), (17780, 24689)]