203960440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1607}}^1$

素因数の和:1804

約数の個数: 64

約数和(自身を含む): 486259200

約数和(自身を除く): 282298760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 334, 380, 668, 760, 835, 1336, 1607, 1670, 3173, 3214, 3340, 6346, 6428, 6680, 8035, 12692, 12856, 15865, 16070, 25384, 30533, 31730, 32140, 61066, 63460, 64280, 122132, 126920, 152665, 244264, 268369, 305330, 536738, 610660, 1073476, 1221320, 1341845, 2146952, 2683690, 5099011, 5367380, 10198022, 10734760, 20396044, 25495055, 40792088, 50990110, 101980220, 203960440]

約数ペア:

[(1, 203960440), (2, 101980220), (4, 50990110), (5, 40792088), (8, 25495055), (10, 20396044), (19, 10734760), (20, 10198022), (38, 5367380), (40, 5099011), (76, 2683690), (95, 2146952), (152, 1341845), (167, 1221320), (190, 1073476), (334, 610660), (380, 536738), (668, 305330), (760, 268369), (835, 244264), (1336, 152665), (1607, 126920), (1670, 122132), (3173, 64280), (3214, 63460), (3340, 61066), (6346, 32140), (6428, 31730), (6680, 30533), (8035, 25384), (12692, 16070), (12856, 15865)]