31009220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2389}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 72273600

約数和(自身を除く): 41264380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2389, 2596, 3245, 4778, 6490, 9556, 11945, 12980, 23890, 26279, 47780, 52558, 105116, 131395, 140951, 262790, 281902, 525580, 563804, 704755, 1409510, 1550461, 2819020, 3100922, 6201844, 7752305, 15504610, 31009220]

約数ペア:

[(1, 31009220), (2, 15504610), (4, 7752305), (5, 6201844), (10, 3100922), (11, 2819020), (20, 1550461), (22, 1409510), (44, 704755), (55, 563804), (59, 525580), (110, 281902), (118, 262790), (220, 140951), (236, 131395), (295, 105116), (590, 52558), (649, 47780), (1180, 26279), (1298, 23890), (2389, 12980), (2596, 11945), (3245, 9556), (4778, 6490)]