28859940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6971}}^1$

素因数の和:7009

約数の個数: 72

約数和(自身を含む): 91361088

約数和(自身を除く): 62501148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6971, 13942, 20913, 27884, 34855, 41826, 62739, 69710, 83652, 104565, 125478, 139420, 160333, 209130, 250956, 313695, 320666, 418260, 480999, 627390, 641332, 801665, 961998, 1254780, 1442997, 1603330, 1923996, 2404995, 2885994, 3206660, 4809990, 5771988, 7214985, 9619980, 14429970, 28859940]

約数ペア:

[(1, 28859940), (2, 14429970), (3, 9619980), (4, 7214985), (5, 5771988), (6, 4809990), (9, 3206660), (10, 2885994), (12, 2404995), (15, 1923996), (18, 1603330), (20, 1442997), (23, 1254780), (30, 961998), (36, 801665), (45, 641332), (46, 627390), (60, 480999), (69, 418260), (90, 320666), (92, 313695), (115, 250956), (138, 209130), (180, 160333), (207, 139420), (230, 125478), (276, 104565), (345, 83652), (414, 69710), (460, 62739), (690, 41826), (828, 34855), (1035, 27884), (1380, 20913), (2070, 13942), (4140, 6971)]