2149204540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{14071}}^1$

素因数の和:15178

約数の個数: 48

約数和(自身を含む): 5163185664

約数和(自身を除く): 3013981124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1091, 2182, 4364, 5455, 7637, 10910, 14071, 15274, 21820, 28142, 30548, 38185, 56284, 70355, 76370, 98497, 140710, 152740, 196994, 281420, 393988, 492485, 984970, 1969940, 15351461, 30702922, 61405844, 76757305, 107460227, 153514610, 214920454, 307029220, 429840908, 537301135, 1074602270, 2149204540]

約数ペア:

[(1, 2149204540), (2, 1074602270), (4, 537301135), (5, 429840908), (7, 307029220), (10, 214920454), (14, 153514610), (20, 107460227), (28, 76757305), (35, 61405844), (70, 30702922), (140, 15351461), (1091, 1969940), (2182, 984970), (4364, 492485), (5455, 393988), (7637, 281420), (10910, 196994), (14071, 152740), (15274, 140710), (21820, 98497), (28142, 76370), (30548, 70355), (38185, 56284)]