85794220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 183949920

約数和(自身を除く): 98155700

約数列:

[1, 2, 4, 5, 10, 20, 89, 157, 178, 307, 314, 356, 445, 614, 628, 785, 890, 1228, 1535, 1570, 1780, 3070, 3140, 6140, 13973, 27323, 27946, 48199, 54646, 55892, 69865, 96398, 109292, 136615, 139730, 192796, 240995, 273230, 279460, 481990, 546460, 963980, 4289711, 8579422, 17158844, 21448555, 42897110, 85794220]

約数ペア:

[(1, 85794220), (2, 42897110), (4, 21448555), (5, 17158844), (10, 8579422), (20, 4289711), (89, 963980), (157, 546460), (178, 481990), (307, 279460), (314, 273230), (356, 240995), (445, 192796), (614, 139730), (628, 136615), (785, 109292), (890, 96398), (1228, 69865), (1535, 55892), (1570, 54646), (1780, 48199), (3070, 27946), (3140, 27323), (6140, 13973)]