39902660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 102654720

約数和(自身を除く): 62752060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2143, 2660, 3724, 4286, 4655, 8572, 9310, 10715, 15001, 18620, 21430, 30002, 40717, 42860, 60004, 75005, 81434, 105007, 150010, 162868, 203585, 210014, 285019, 300020, 407170, 420028, 525035, 570038, 814340, 1050070, 1140076, 1425095, 1995133, 2100140, 2850190, 3990266, 5700380, 7980532, 9975665, 19951330, 39902660]

約数ペア:

[(1, 39902660), (2, 19951330), (4, 9975665), (5, 7980532), (7, 5700380), (10, 3990266), (14, 2850190), (19, 2100140), (20, 1995133), (28, 1425095), (35, 1140076), (38, 1050070), (49, 814340), (70, 570038), (76, 525035), (95, 420028), (98, 407170), (133, 300020), (140, 285019), (190, 210014), (196, 203585), (245, 162868), (266, 150010), (380, 105007), (490, 81434), (532, 75005), (665, 60004), (931, 42860), (980, 40717), (1330, 30002), (1862, 21430), (2143, 18620), (2660, 15001), (3724, 10715), (4286, 9310), (4655, 8572)]