73928740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 160982640

約数和(自身を除く): 87053900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1013, 1780, 2026, 3649, 4052, 5065, 7298, 10130, 14596, 18245, 20260, 36490, 41533, 72980, 83066, 90157, 166132, 180314, 207665, 360628, 415330, 450785, 830660, 901570, 1803140, 3696437, 7392874, 14785748, 18482185, 36964370, 73928740]

約数ペア:

[(1, 73928740), (2, 36964370), (4, 18482185), (5, 14785748), (10, 7392874), (20, 3696437), (41, 1803140), (82, 901570), (89, 830660), (164, 450785), (178, 415330), (205, 360628), (356, 207665), (410, 180314), (445, 166132), (820, 90157), (890, 83066), (1013, 72980), (1780, 41533), (2026, 36490), (3649, 20260), (4052, 18245), (5065, 14596), (7298, 10130)]