71231800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11536

約数の個数: 48

約数和(自身を含む): 170971200

約数和(自身を除く): 99739400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 11489, 22978, 45956, 57445, 91912, 114890, 229780, 287225, 356159, 459560, 574450, 712318, 1148900, 1424636, 1780795, 2297800, 2849272, 3561590, 7123180, 8903975, 14246360, 17807950, 35615900, 71231800]

約数ペア:

[(1, 71231800), (2, 35615900), (4, 17807950), (5, 14246360), (8, 8903975), (10, 7123180), (20, 3561590), (25, 2849272), (31, 2297800), (40, 1780795), (50, 1424636), (62, 1148900), (100, 712318), (124, 574450), (155, 459560), (200, 356159), (248, 287225), (310, 229780), (620, 114890), (775, 91912), (1240, 57445), (1550, 45956), (3100, 22978), (6200, 11489)]