434320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 1037880

約数和(自身を除く): 603560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 89, 122, 178, 244, 305, 356, 445, 488, 610, 712, 890, 976, 1220, 1424, 1780, 2440, 3560, 4880, 5429, 7120, 10858, 21716, 27145, 43432, 54290, 86864, 108580, 217160, 434320]

約数ペア:

[(1, 434320), (2, 217160), (4, 108580), (5, 86864), (8, 54290), (10, 43432), (16, 27145), (20, 21716), (40, 10858), (61, 7120), (80, 5429), (89, 4880), (122, 3560), (178, 2440), (244, 1780), (305, 1424), (356, 1220), (445, 976), (488, 890), (610, 712)]