219757760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22153}}^1$

素因数の和:22201

約数の個数: 56

約数和(自身を含む): 540203136

約数和(自身を除く): 320445376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 22153, 44306, 88612, 110765, 177224, 221530, 354448, 443060, 686743, 708896, 886120, 1373486, 1417792, 1772240, 2746972, 3433715, 3544480, 5493944, 6867430, 7088960, 10987888, 13734860, 21975776, 27469720, 43951552, 54939440, 109878880, 219757760]

約数ペア:

[(1, 219757760), (2, 109878880), (4, 54939440), (5, 43951552), (8, 27469720), (10, 21975776), (16, 13734860), (20, 10987888), (31, 7088960), (32, 6867430), (40, 5493944), (62, 3544480), (64, 3433715), (80, 2746972), (124, 1772240), (155, 1417792), (160, 1373486), (248, 886120), (310, 708896), (320, 686743), (496, 443060), (620, 354448), (992, 221530), (1240, 177224), (1984, 110765), (2480, 88612), (4960, 44306), (9920, 22153)]