1816240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 4294368

約数和(自身を除く): 2478128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 311, 365, 584, 622, 730, 1168, 1244, 1460, 1555, 2488, 2920, 3110, 4976, 5840, 6220, 12440, 22703, 24880, 45406, 90812, 113515, 181624, 227030, 363248, 454060, 908120, 1816240]

約数ペア:

[(1, 1816240), (2, 908120), (4, 454060), (5, 363248), (8, 227030), (10, 181624), (16, 113515), (20, 90812), (40, 45406), (73, 24880), (80, 22703), (146, 12440), (292, 6220), (311, 5840), (365, 4976), (584, 3110), (622, 2920), (730, 2488), (1168, 1555), (1244, 1460)]