9701020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 24993360

約数和(自身を除く): 15292340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 521, 532, 665, 931, 980, 1042, 1330, 1862, 2084, 2605, 2660, 3647, 3724, 4655, 5210, 7294, 9310, 9899, 10420, 14588, 18235, 18620, 19798, 25529, 36470, 39596, 49495, 51058, 69293, 72940, 98990, 102116, 127645, 138586, 197980, 255290, 277172, 346465, 485051, 510580, 692930, 970102, 1385860, 1940204, 2425255, 4850510, 9701020]

約数ペア:

[(1, 9701020), (2, 4850510), (4, 2425255), (5, 1940204), (7, 1385860), (10, 970102), (14, 692930), (19, 510580), (20, 485051), (28, 346465), (35, 277172), (38, 255290), (49, 197980), (70, 138586), (76, 127645), (95, 102116), (98, 98990), (133, 72940), (140, 69293), (190, 51058), (196, 49495), (245, 39596), (266, 36470), (380, 25529), (490, 19798), (521, 18620), (532, 18235), (665, 14588), (931, 10420), (980, 9899), (1042, 9310), (1330, 7294), (1862, 5210), (2084, 4655), (2605, 3724), (2660, 3647)]