289538000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2133

約数の個数: 80

約数和(自身を含む): 710311680

約数和(自身を除く): 420773680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 500, 568, 710, 1000, 1136, 1420, 1775, 2000, 2039, 2840, 3550, 4078, 5680, 7100, 8156, 8875, 10195, 14200, 16312, 17750, 20390, 28400, 32624, 35500, 40780, 50975, 71000, 81560, 101950, 142000, 144769, 163120, 203900, 254875, 289538, 407800, 509750, 579076, 723845, 815600, 1019500, 1158152, 1447690, 2039000, 2316304, 2895380, 3619225, 4078000, 5790760, 7238450, 11581520, 14476900, 18096125, 28953800, 36192250, 57907600, 72384500, 144769000, 289538000]

約数ペア:

[(1, 289538000), (2, 144769000), (4, 72384500), (5, 57907600), (8, 36192250), (10, 28953800), (16, 18096125), (20, 14476900), (25, 11581520), (40, 7238450), (50, 5790760), (71, 4078000), (80, 3619225), (100, 2895380), (125, 2316304), (142, 2039000), (200, 1447690), (250, 1158152), (284, 1019500), (355, 815600), (400, 723845), (500, 579076), (568, 509750), (710, 407800), (1000, 289538), (1136, 254875), (1420, 203900), (1775, 163120), (2000, 144769), (2039, 142000), (2840, 101950), (3550, 81560), (4078, 71000), (5680, 50975), (7100, 40780), (8156, 35500), (8875, 32624), (10195, 28400), (14200, 20390), (16312, 17750)]