286121380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1723}}^1$

素因数の和:1793

約数の個数: 72

約数和(自身を含む): 662098752

約数和(自身を除く): 375977372

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 361, 380, 437, 460, 722, 874, 1444, 1723, 1748, 1805, 2185, 3446, 3610, 4370, 6892, 7220, 8303, 8615, 8740, 16606, 17230, 32737, 33212, 34460, 39629, 41515, 65474, 79258, 83030, 130948, 158516, 163685, 166060, 198145, 327370, 396290, 622003, 654740, 752951, 792580, 1244006, 1505902, 2488012, 3011804, 3110015, 3764755, 6220030, 7529510, 12440060, 14306069, 15059020, 28612138, 57224276, 71530345, 143060690, 286121380]

約数ペア:

[(1, 286121380), (2, 143060690), (4, 71530345), (5, 57224276), (10, 28612138), (19, 15059020), (20, 14306069), (23, 12440060), (38, 7529510), (46, 6220030), (76, 3764755), (92, 3110015), (95, 3011804), (115, 2488012), (190, 1505902), (230, 1244006), (361, 792580), (380, 752951), (437, 654740), (460, 622003), (722, 396290), (874, 327370), (1444, 198145), (1723, 166060), (1748, 163685), (1805, 158516), (2185, 130948), (3446, 83030), (3610, 79258), (4370, 65474), (6892, 41515), (7220, 39629), (8303, 34460), (8615, 33212), (8740, 32737), (16606, 17230)]