200897560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 463877280

約数和(自身を除く): 262979720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 193, 212, 265, 386, 424, 491, 530, 772, 965, 982, 1060, 1544, 1930, 1964, 2120, 2455, 3860, 3928, 4910, 7720, 9820, 10229, 19640, 20458, 26023, 40916, 51145, 52046, 81832, 94763, 102290, 104092, 130115, 189526, 204580, 208184, 260230, 379052, 409160, 473815, 520460, 758104, 947630, 1040920, 1895260, 3790520, 5022439, 10044878, 20089756, 25112195, 40179512, 50224390, 100448780, 200897560]

約数ペア:

[(1, 200897560), (2, 100448780), (4, 50224390), (5, 40179512), (8, 25112195), (10, 20089756), (20, 10044878), (40, 5022439), (53, 3790520), (106, 1895260), (193, 1040920), (212, 947630), (265, 758104), (386, 520460), (424, 473815), (491, 409160), (530, 379052), (772, 260230), (965, 208184), (982, 204580), (1060, 189526), (1544, 130115), (1930, 104092), (1964, 102290), (2120, 94763), (2455, 81832), (3860, 52046), (3928, 51145), (4910, 40916), (7720, 26023), (9820, 20458), (10229, 19640)]