89999460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21739}}^1$

素因数の和:21777

約数の個数: 72

約数和(自身を含む): 284880960

約数和(自身を除く): 194881500

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, 21739, 43478, 65217, 86956, 108695, 130434, 195651, 217390, 260868, 326085, 391302, 434780, 499997, 652170, 782604, 978255, 999994, 1304340, 1499991, 1956510, 1999988, 2499985, 2999982, 3913020, 4499973, 4999970, 5999964, 7499955, 8999946, 9999940, 14999910, 17999892, 22499865, 29999820, 44999730, 89999460]

約数ペア:

[(1, 89999460), (2, 44999730), (3, 29999820), (4, 22499865), (5, 17999892), (6, 14999910), (9, 9999940), (10, 8999946), (12, 7499955), (15, 5999964), (18, 4999970), (20, 4499973), (23, 3913020), (30, 2999982), (36, 2499985), (45, 1999988), (46, 1956510), (60, 1499991), (69, 1304340), (90, 999994), (92, 978255), (115, 782604), (138, 652170), (180, 499997), (207, 434780), (230, 391302), (276, 326085), (345, 260868), (414, 217390), (460, 195651), (690, 130434), (828, 108695), (1035, 86956), (1380, 65217), (2070, 43478), (4140, 21739)]