1490307728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2789}}^1$

素因数の和:3184

約数の個数: 80

約数和(自身を含む): 3564771840

約数和(自身を除く): 2074464112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 367, 728, 734, 1456, 1468, 2569, 2789, 2936, 4771, 5138, 5578, 5872, 9542, 10276, 11156, 19084, 19523, 20552, 22312, 33397, 36257, 38168, 39046, 41104, 44624, 66794, 72514, 76336, 78092, 133588, 145028, 156184, 253799, 267176, 290056, 312368, 507598, 534352, 580112, 1015196, 1023563, 2030392, 2047126, 4060784, 4094252, 7164941, 8188504, 13306319, 14329882, 16377008, 26612638, 28659764, 53225276, 57319528, 93144233, 106450552, 114639056, 186288466, 212901104, 372576932, 745153864, 1490307728]

約数ペア:

[(1, 1490307728), (2, 745153864), (4, 372576932), (7, 212901104), (8, 186288466), (13, 114639056), (14, 106450552), (16, 93144233), (26, 57319528), (28, 53225276), (52, 28659764), (56, 26612638), (91, 16377008), (104, 14329882), (112, 13306319), (182, 8188504), (208, 7164941), (364, 4094252), (367, 4060784), (728, 2047126), (734, 2030392), (1456, 1023563), (1468, 1015196), (2569, 580112), (2789, 534352), (2936, 507598), (4771, 312368), (5138, 290056), (5578, 267176), (5872, 253799), (9542, 156184), (10276, 145028), (11156, 133588), (19084, 78092), (19523, 76336), (20552, 72514), (22312, 66794), (33397, 44624), (36257, 41104), (38168, 39046)]