1629688040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 3701367360

約数和(自身を除く): 2071679320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 353, 422, 547, 706, 844, 1055, 1094, 1412, 1688, 1765, 2110, 2188, 2735, 2824, 3530, 4220, 4376, 5470, 7060, 8440, 10940, 14120, 21880, 74483, 115417, 148966, 193091, 230834, 297932, 372415, 386182, 461668, 577085, 595864, 744830, 772364, 923336, 965455, 1154170, 1489660, 1544728, 1930910, 2308340, 2979320, 3861820, 4616680, 7723640, 40742201, 81484402, 162968804, 203711005, 325937608, 407422010, 814844020, 1629688040]

約数ペア:

[(1, 1629688040), (2, 814844020), (4, 407422010), (5, 325937608), (8, 203711005), (10, 162968804), (20, 81484402), (40, 40742201), (211, 7723640), (353, 4616680), (422, 3861820), (547, 2979320), (706, 2308340), (844, 1930910), (1055, 1544728), (1094, 1489660), (1412, 1154170), (1688, 965455), (1765, 923336), (2110, 772364), (2188, 744830), (2735, 595864), (2824, 577085), (3530, 461668), (4220, 386182), (4376, 372415), (5470, 297932), (7060, 230834), (8440, 193091), (10940, 148966), (14120, 115417), (21880, 74483)]