137780900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 307245960

約数和(自身を除く): 169465060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 113, 137, 178, 226, 274, 356, 445, 452, 548, 565, 685, 890, 1130, 1370, 1780, 2225, 2260, 2740, 2825, 3425, 4450, 5650, 6850, 8900, 10057, 11300, 12193, 13700, 15481, 20114, 24386, 30962, 40228, 48772, 50285, 60965, 61924, 77405, 100570, 121930, 154810, 201140, 243860, 251425, 304825, 309620, 387025, 502850, 609650, 774050, 1005700, 1219300, 1377809, 1548100, 2755618, 5511236, 6889045, 13778090, 27556180, 34445225, 68890450, 137780900]

約数ペア:

[(1, 137780900), (2, 68890450), (4, 34445225), (5, 27556180), (10, 13778090), (20, 6889045), (25, 5511236), (50, 2755618), (89, 1548100), (100, 1377809), (113, 1219300), (137, 1005700), (178, 774050), (226, 609650), (274, 502850), (356, 387025), (445, 309620), (452, 304825), (548, 251425), (565, 243860), (685, 201140), (890, 154810), (1130, 121930), (1370, 100570), (1780, 77405), (2225, 61924), (2260, 60965), (2740, 50285), (2825, 48772), (3425, 40228), (4450, 30962), (5650, 24386), (6850, 20114), (8900, 15481), (10057, 13700), (11300, 12193)]