281344492790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{16097}}^1$

素因数の和:16517

約数の個数: 64

約数和(自身を含む): 520740679680

約数和(自身を除く): 239396186890

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 239, 355, 478, 515, 710, 1030, 1195, 2390, 7313, 14626, 16097, 16969, 24617, 32194, 33938, 36565, 49234, 73130, 80485, 84845, 123085, 160970, 169690, 246170, 1142887, 1657991, 1747807, 2285774, 3315982, 3495614, 3847183, 5714435, 7694366, 8289955, 8739035, 11428870, 16579910, 17478070, 19235915, 38471830, 117717361, 235434722, 273149993, 396259849, 546299986, 588586805, 792519698, 1177173610, 1365749965, 1981299245, 2731499930, 3962598490, 28134449279, 56268898558, 140672246395, 281344492790]

約数ペア:

[(1, 281344492790), (2, 140672246395), (5, 56268898558), (10, 28134449279), (71, 3962598490), (103, 2731499930), (142, 1981299245), (206, 1365749965), (239, 1177173610), (355, 792519698), (478, 588586805), (515, 546299986), (710, 396259849), (1030, 273149993), (1195, 235434722), (2390, 117717361), (7313, 38471830), (14626, 19235915), (16097, 17478070), (16969, 16579910), (24617, 11428870), (32194, 8739035), (33938, 8289955), (36565, 7694366), (49234, 5714435), (73130, 3847183), (80485, 3495614), (84845, 3315982), (123085, 2285774), (160970, 1747807), (169690, 1657991), (246170, 1142887)]