141988660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 342131328

約数和(自身を除く): 200142668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2551, 2783, 5060, 5102, 5566, 10204, 11132, 12755, 13915, 25510, 27830, 28061, 51020, 55660, 56122, 58673, 112244, 117346, 140305, 234692, 280610, 293365, 308671, 561220, 586730, 617342, 645403, 1173460, 1234684, 1290806, 1543355, 2581612, 3086710, 3227015, 6173420, 6454030, 7099433, 12908060, 14198866, 28397732, 35497165, 70994330, 141988660]

約数ペア:

[(1, 141988660), (2, 70994330), (4, 35497165), (5, 28397732), (10, 14198866), (11, 12908060), (20, 7099433), (22, 6454030), (23, 6173420), (44, 3227015), (46, 3086710), (55, 2581612), (92, 1543355), (110, 1290806), (115, 1234684), (121, 1173460), (220, 645403), (230, 617342), (242, 586730), (253, 561220), (460, 308671), (484, 293365), (506, 280610), (605, 234692), (1012, 140305), (1210, 117346), (1265, 112244), (2420, 58673), (2530, 56122), (2551, 55660), (2783, 51020), (5060, 28061), (5102, 27830), (5566, 25510), (10204, 13915), (11132, 12755)]