4937720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 11988000

約数和(自身を除く): 7050280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 89, 95, 146, 152, 178, 190, 292, 356, 365, 380, 445, 584, 712, 730, 760, 890, 1387, 1460, 1691, 1780, 2774, 2920, 3382, 3560, 5548, 6497, 6764, 6935, 8455, 11096, 12994, 13528, 13870, 16910, 25988, 27740, 32485, 33820, 51976, 55480, 64970, 67640, 123443, 129940, 246886, 259880, 493772, 617215, 987544, 1234430, 2468860, 4937720]

約数ペア:

[(1, 4937720), (2, 2468860), (4, 1234430), (5, 987544), (8, 617215), (10, 493772), (19, 259880), (20, 246886), (38, 129940), (40, 123443), (73, 67640), (76, 64970), (89, 55480), (95, 51976), (146, 33820), (152, 32485), (178, 27740), (190, 25988), (292, 16910), (356, 13870), (365, 13528), (380, 12994), (445, 11096), (584, 8455), (712, 6935), (730, 6764), (760, 6497), (890, 5548), (1387, 3560), (1460, 3382), (1691, 2920), (1780, 2774)]