1917297040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{406207}}^1$

素因数の和:406279

約数の個数: 40

約数和(自身を含む): 4533281280

約数和(自身を除く): 2615984240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 406207, 812414, 1624828, 2031035, 3249656, 4062070, 6499312, 8124140, 16248280, 23966213, 32496560, 47932426, 95864852, 119831065, 191729704, 239662130, 383459408, 479324260, 958648520, 1917297040]

約数ペア:

[(1, 1917297040), (2, 958648520), (4, 479324260), (5, 383459408), (8, 239662130), (10, 191729704), (16, 119831065), (20, 95864852), (40, 47932426), (59, 32496560), (80, 23966213), (118, 16248280), (236, 8124140), (295, 6499312), (472, 4062070), (590, 3249656), (944, 2031035), (1180, 1624828), (2360, 812414), (4720, 406207)]