4018840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 10690560

約数和(自身を除く): 6671720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 463, 620, 868, 926, 1085, 1240, 1736, 1852, 2170, 2315, 3241, 3704, 4340, 4630, 6482, 8680, 9260, 12964, 14353, 16205, 18520, 25928, 28706, 32410, 57412, 64820, 71765, 100471, 114824, 129640, 143530, 200942, 287060, 401884, 502355, 574120, 803768, 1004710, 2009420, 4018840]

約数ペア:

[(1, 4018840), (2, 2009420), (4, 1004710), (5, 803768), (7, 574120), (8, 502355), (10, 401884), (14, 287060), (20, 200942), (28, 143530), (31, 129640), (35, 114824), (40, 100471), (56, 71765), (62, 64820), (70, 57412), (124, 32410), (140, 28706), (155, 25928), (217, 18520), (248, 16205), (280, 14353), (310, 12964), (434, 9260), (463, 8680), (620, 6482), (868, 4630), (926, 4340), (1085, 3704), (1240, 3241), (1736, 2315), (1852, 2170)]