290056720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1088

約数の個数: 80

約数和(自身を含む): 717596928

約数和(自身を除く): 427540208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 271, 272, 340, 542, 680, 787, 1084, 1355, 1360, 1574, 2168, 2710, 3148, 3935, 4336, 4607, 5420, 6296, 7870, 9214, 10840, 12592, 13379, 15740, 18428, 21680, 23035, 26758, 31480, 36856, 46070, 53516, 62960, 66895, 73712, 92140, 107032, 133790, 184280, 213277, 214064, 267580, 368560, 426554, 535160, 853108, 1066385, 1070320, 1706216, 2132770, 3412432, 3625709, 4265540, 7251418, 8531080, 14502836, 17062160, 18128545, 29005672, 36257090, 58011344, 72514180, 145028360, 290056720]

約数ペア:

[(1, 290056720), (2, 145028360), (4, 72514180), (5, 58011344), (8, 36257090), (10, 29005672), (16, 18128545), (17, 17062160), (20, 14502836), (34, 8531080), (40, 7251418), (68, 4265540), (80, 3625709), (85, 3412432), (136, 2132770), (170, 1706216), (271, 1070320), (272, 1066385), (340, 853108), (542, 535160), (680, 426554), (787, 368560), (1084, 267580), (1355, 214064), (1360, 213277), (1574, 184280), (2168, 133790), (2710, 107032), (3148, 92140), (3935, 73712), (4336, 66895), (4607, 62960), (5420, 53516), (6296, 46070), (7870, 36856), (9214, 31480), (10840, 26758), (12592, 23035), (13379, 21680), (15740, 18428)]