487809980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{12953}}^1$

素因数の和:13238

約数の個数: 48

約数和(自身を含む): 1175186880

約数和(自身を除く): 687376900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2690, 3766, 5380, 7532, 9415, 12953, 18830, 25906, 37660, 51812, 64765, 90671, 129530, 181342, 259060, 362684, 453355, 906710, 1813420, 3484357, 6968714, 13937428, 17421785, 24390499, 34843570, 48780998, 69687140, 97561996, 121952495, 243904990, 487809980]

約数ペア:

[(1, 487809980), (2, 243904990), (4, 121952495), (5, 97561996), (7, 69687140), (10, 48780998), (14, 34843570), (20, 24390499), (28, 17421785), (35, 13937428), (70, 6968714), (140, 3484357), (269, 1813420), (538, 906710), (1076, 453355), (1345, 362684), (1883, 259060), (2690, 181342), (3766, 129530), (5380, 90671), (7532, 64765), (9415, 51812), (12953, 37660), (18830, 25906)]