69997720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{593}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 170644320

約数和(自身を除く): 100646600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 227, 260, 454, 520, 593, 908, 1135, 1186, 1816, 2270, 2372, 2951, 2965, 4540, 4744, 5902, 5930, 7709, 9080, 11804, 11860, 14755, 15418, 23608, 23720, 29510, 30836, 38545, 59020, 61672, 77090, 118040, 134611, 154180, 269222, 308360, 538444, 673055, 1076888, 1346110, 1749943, 2692220, 3499886, 5384440, 6999772, 8749715, 13999544, 17499430, 34998860, 69997720]

約数ペア:

[(1, 69997720), (2, 34998860), (4, 17499430), (5, 13999544), (8, 8749715), (10, 6999772), (13, 5384440), (20, 3499886), (26, 2692220), (40, 1749943), (52, 1346110), (65, 1076888), (104, 673055), (130, 538444), (227, 308360), (260, 269222), (454, 154180), (520, 134611), (593, 118040), (908, 77090), (1135, 61672), (1186, 59020), (1816, 38545), (2270, 30836), (2372, 29510), (2951, 23720), (2965, 23608), (4540, 15418), (4744, 14755), (5902, 11860), (5930, 11804), (7709, 9080)]