366981980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{859}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 791894880

約数和(自身を除く): 424912900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 521, 820, 859, 1042, 1718, 2084, 2605, 3436, 4295, 5210, 8590, 10420, 17180, 21361, 35219, 42722, 70438, 85444, 106805, 140876, 176095, 213610, 352190, 427220, 447539, 704380, 895078, 1790156, 2237695, 4475390, 8950780, 18349099, 36698198, 73396396, 91745495, 183490990, 366981980]

約数ペア:

[(1, 366981980), (2, 183490990), (4, 91745495), (5, 73396396), (10, 36698198), (20, 18349099), (41, 8950780), (82, 4475390), (164, 2237695), (205, 1790156), (410, 895078), (521, 704380), (820, 447539), (859, 427220), (1042, 352190), (1718, 213610), (2084, 176095), (2605, 140876), (3436, 106805), (4295, 85444), (5210, 70438), (8590, 42722), (10420, 35219), (17180, 21361)]