1641200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{373}}^1$

素因数の和:402

約数の個数: 60

約数和(自身を含む): 4312968

約数和(自身を除く): 2671768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 373, 400, 440, 550, 746, 880, 1100, 1492, 1865, 2200, 2984, 3730, 4103, 4400, 5968, 7460, 8206, 9325, 14920, 16412, 18650, 20515, 29840, 32824, 37300, 41030, 65648, 74600, 82060, 102575, 149200, 164120, 205150, 328240, 410300, 820600, 1641200]

約数ペア:

[(1, 1641200), (2, 820600), (4, 410300), (5, 328240), (8, 205150), (10, 164120), (11, 149200), (16, 102575), (20, 82060), (22, 74600), (25, 65648), (40, 41030), (44, 37300), (50, 32824), (55, 29840), (80, 20515), (88, 18650), (100, 16412), (110, 14920), (176, 9325), (200, 8206), (220, 7460), (275, 5968), (373, 4400), (400, 4103), (440, 3730), (550, 2984), (746, 2200), (880, 1865), (1100, 1492)]