149211580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 377395200

約数和(自身を除く): 228183620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 149, 161, 230, 298, 311, 322, 460, 596, 622, 644, 745, 805, 1043, 1244, 1490, 1555, 1610, 2086, 2177, 2980, 3110, 3220, 3427, 4172, 4354, 5215, 6220, 6854, 7153, 8708, 10430, 10885, 13708, 14306, 17135, 20860, 21770, 23989, 28612, 34270, 35765, 43540, 46339, 47978, 50071, 68540, 71530, 92678, 95956, 100142, 119945, 143060, 185356, 200284, 231695, 239890, 250355, 324373, 463390, 479780, 500710, 648746, 926780, 1001420, 1065797, 1297492, 1621865, 2131594, 3243730, 4263188, 5328985, 6487460, 7460579, 10657970, 14921158, 21315940, 29842316, 37302895, 74605790, 149211580]

約数ペア:

[(1, 149211580), (2, 74605790), (4, 37302895), (5, 29842316), (7, 21315940), (10, 14921158), (14, 10657970), (20, 7460579), (23, 6487460), (28, 5328985), (35, 4263188), (46, 3243730), (70, 2131594), (92, 1621865), (115, 1297492), (140, 1065797), (149, 1001420), (161, 926780), (230, 648746), (298, 500710), (311, 479780), (322, 463390), (460, 324373), (596, 250355), (622, 239890), (644, 231695), (745, 200284), (805, 185356), (1043, 143060), (1244, 119945), (1490, 100142), (1555, 95956), (1610, 92678), (2086, 71530), (2177, 68540), (2980, 50071), (3110, 47978), (3220, 46339), (3427, 43540), (4172, 35765), (4354, 34270), (5215, 28612), (6220, 23989), (6854, 21770), (7153, 20860), (8708, 17135), (10430, 14306), (10885, 13708)]