980804920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2248

約数の個数: 64

約数和(自身を含む): 2249013600

約数和(自身を除く): 1268208680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 137, 178, 274, 356, 445, 548, 685, 712, 890, 1096, 1370, 1780, 2011, 2740, 3560, 4022, 5480, 8044, 10055, 12193, 16088, 20110, 24386, 40220, 48772, 60965, 80440, 97544, 121930, 178979, 243860, 275507, 357958, 487720, 551014, 715916, 894895, 1102028, 1377535, 1431832, 1789790, 2204056, 2755070, 3579580, 5510140, 7159160, 11020280, 24520123, 49040246, 98080492, 122600615, 196160984, 245201230, 490402460, 980804920]

約数ペア:

[(1, 980804920), (2, 490402460), (4, 245201230), (5, 196160984), (8, 122600615), (10, 98080492), (20, 49040246), (40, 24520123), (89, 11020280), (137, 7159160), (178, 5510140), (274, 3579580), (356, 2755070), (445, 2204056), (548, 1789790), (685, 1431832), (712, 1377535), (890, 1102028), (1096, 894895), (1370, 715916), (1780, 551014), (2011, 487720), (2740, 357958), (3560, 275507), (4022, 243860), (5480, 178979), (8044, 121930), (10055, 97544), (12193, 80440), (16088, 60965), (20110, 48772), (24386, 40220)]