231523760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222619}}^1$

素因数の和:222645

約数の個数: 40

約数和(自身を含む): 579702480

約数和(自身を除く): 348178720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 222619, 445238, 890476, 1113095, 1780952, 2226190, 2894047, 3561904, 4452380, 5788094, 8904760, 11576188, 14470235, 17809520, 23152376, 28940470, 46304752, 57880940, 115761880, 231523760]

約数ペア:

[(1, 231523760), (2, 115761880), (4, 57880940), (5, 46304752), (8, 28940470), (10, 23152376), (13, 17809520), (16, 14470235), (20, 11576188), (26, 8904760), (40, 5788094), (52, 4452380), (65, 3561904), (80, 2894047), (104, 2226190), (130, 1780952), (208, 1113095), (260, 890476), (520, 445238), (1040, 222619)]