354020120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 808980480

約数和(自身を除く): 454960360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 227, 254, 307, 454, 508, 614, 635, 908, 1016, 1135, 1228, 1270, 1535, 1816, 2270, 2456, 2540, 3070, 4540, 5080, 6140, 9080, 12280, 28829, 38989, 57658, 69689, 77978, 115316, 139378, 144145, 155956, 194945, 230632, 278756, 288290, 311912, 348445, 389890, 557512, 576580, 696890, 779780, 1153160, 1393780, 1559560, 2787560, 8850503, 17701006, 35402012, 44252515, 70804024, 88505030, 177010060, 354020120]

約数ペア:

[(1, 354020120), (2, 177010060), (4, 88505030), (5, 70804024), (8, 44252515), (10, 35402012), (20, 17701006), (40, 8850503), (127, 2787560), (227, 1559560), (254, 1393780), (307, 1153160), (454, 779780), (508, 696890), (614, 576580), (635, 557512), (908, 389890), (1016, 348445), (1135, 311912), (1228, 288290), (1270, 278756), (1535, 230632), (1816, 194945), (2270, 155956), (2456, 144145), (2540, 139378), (3070, 115316), (4540, 77978), (5080, 69689), (6140, 57658), (9080, 38989), (12280, 28829)]