24979220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 62052480

約数和(自身を除く): 37073260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 359, 490, 497, 710, 718, 980, 994, 1420, 1436, 1795, 1988, 2485, 2513, 3479, 3590, 4970, 5026, 6958, 7180, 9940, 10052, 12565, 13916, 17395, 17591, 25130, 25489, 34790, 35182, 50260, 50978, 69580, 70364, 87955, 101956, 127445, 175910, 178423, 254890, 351820, 356846, 509780, 713692, 892115, 1248961, 1784230, 2497922, 3568460, 4995844, 6244805, 12489610, 24979220]

約数ペア:

[(1, 24979220), (2, 12489610), (4, 6244805), (5, 4995844), (7, 3568460), (10, 2497922), (14, 1784230), (20, 1248961), (28, 892115), (35, 713692), (49, 509780), (70, 356846), (71, 351820), (98, 254890), (140, 178423), (142, 175910), (196, 127445), (245, 101956), (284, 87955), (355, 70364), (359, 69580), (490, 50978), (497, 50260), (710, 35182), (718, 34790), (980, 25489), (994, 25130), (1420, 17591), (1436, 17395), (1795, 13916), (1988, 12565), (2485, 10052), (2513, 9940), (3479, 7180), (3590, 6958), (4970, 5026)]