31800490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 63203328

約数和(自身を除く): 31402838

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 361, 383, 437, 722, 766, 874, 1805, 1915, 2185, 3610, 3830, 4370, 7277, 8303, 8809, 14554, 16606, 17618, 36385, 41515, 44045, 72770, 83030, 88090, 138263, 167371, 276526, 334742, 691315, 836855, 1382630, 1673710, 3180049, 6360098, 15900245, 31800490]

約数ペア:

[(1, 31800490), (2, 15900245), (5, 6360098), (10, 3180049), (19, 1673710), (23, 1382630), (38, 836855), (46, 691315), (95, 334742), (115, 276526), (190, 167371), (230, 138263), (361, 88090), (383, 83030), (437, 72770), (722, 44045), (766, 41515), (874, 36385), (1805, 17618), (1915, 16606), (2185, 14554), (3610, 8809), (3830, 8303), (4370, 7277)]