8227780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10823420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 251, 298, 502, 596, 745, 1004, 1255, 1490, 1639, 2510, 2761, 2980, 3278, 5020, 5522, 6556, 8195, 11044, 13805, 16390, 27610, 32780, 37399, 55220, 74798, 149596, 186995, 373990, 411389, 747980, 822778, 1645556, 2056945, 4113890, 8227780]

約数ペア:

[(1, 8227780), (2, 4113890), (4, 2056945), (5, 1645556), (10, 822778), (11, 747980), (20, 411389), (22, 373990), (44, 186995), (55, 149596), (110, 74798), (149, 55220), (220, 37399), (251, 32780), (298, 27610), (502, 16390), (596, 13805), (745, 11044), (1004, 8195), (1255, 6556), (1490, 5522), (1639, 5020), (2510, 3278), (2761, 2980)]