289509080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54419}}^1$

素因数の和:54456

約数の個数: 64

約数和(自身を含む): 783648000

約数和(自身を除く): 494138920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 54419, 108838, 217676, 272095, 380933, 435352, 544190, 761866, 1033961, 1088380, 1523732, 1904665, 2067922, 2176760, 3047464, 3809330, 4135844, 5169805, 7237727, 7618660, 8271688, 10339610, 14475454, 15237320, 20679220, 28950908, 36188635, 41358440, 57901816, 72377270, 144754540, 289509080]

約数ペア:

[(1, 289509080), (2, 144754540), (4, 72377270), (5, 57901816), (7, 41358440), (8, 36188635), (10, 28950908), (14, 20679220), (19, 15237320), (20, 14475454), (28, 10339610), (35, 8271688), (38, 7618660), (40, 7237727), (56, 5169805), (70, 4135844), (76, 3809330), (95, 3047464), (133, 2176760), (140, 2067922), (152, 1904665), (190, 1523732), (266, 1088380), (280, 1033961), (380, 761866), (532, 544190), (665, 435352), (760, 380933), (1064, 272095), (1330, 217676), (2660, 108838), (5320, 54419)]