156989420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{15361}}^1$

素因数の和:15450

約数の個数: 48

約数和(自身を含む): 381960768

約数和(自身を除く): 224971348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 15361, 30722, 61444, 76805, 107527, 153610, 215054, 307220, 430108, 537635, 1075270, 1121353, 2150540, 2242706, 4485412, 5606765, 7849471, 11213530, 15698942, 22427060, 31397884, 39247355, 78494710, 156989420]

約数ペア:

[(1, 156989420), (2, 78494710), (4, 39247355), (5, 31397884), (7, 22427060), (10, 15698942), (14, 11213530), (20, 7849471), (28, 5606765), (35, 4485412), (70, 2242706), (73, 2150540), (140, 1121353), (146, 1075270), (292, 537635), (365, 430108), (511, 307220), (730, 215054), (1022, 153610), (1460, 107527), (2044, 76805), (2555, 61444), (5110, 30722), (10220, 15361)]