72998780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4289}}^1$

素因数の和:4358

約数の個数: 48

約数和(自身を含む): 164324160

約数和(自身を除く): 91325380

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 4289, 8510, 8578, 17020, 17156, 21445, 42890, 85780, 98647, 158693, 197294, 317386, 394588, 493235, 634772, 793465, 986470, 1586930, 1972940, 3173860, 3649939, 7299878, 14599756, 18249695, 36499390, 72998780]

約数ペア:

[(1, 72998780), (2, 36499390), (4, 18249695), (5, 14599756), (10, 7299878), (20, 3649939), (23, 3173860), (37, 1972940), (46, 1586930), (74, 986470), (92, 793465), (115, 634772), (148, 493235), (185, 394588), (230, 317386), (370, 197294), (460, 158693), (740, 98647), (851, 85780), (1702, 42890), (3404, 21445), (4255, 17156), (4289, 17020), (8510, 8578)]