13971860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 34904520

約数和(自身を除く): 20932660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 269, 371, 490, 530, 538, 742, 980, 1060, 1076, 1345, 1484, 1855, 1883, 2597, 2690, 3710, 3766, 5194, 5380, 7420, 7532, 9415, 10388, 12985, 13181, 14257, 18830, 25970, 26362, 28514, 37660, 51940, 52724, 57028, 65905, 71285, 99799, 131810, 142570, 199598, 263620, 285140, 399196, 498995, 698593, 997990, 1397186, 1995980, 2794372, 3492965, 6985930, 13971860]

約数ペア:

[(1, 13971860), (2, 6985930), (4, 3492965), (5, 2794372), (7, 1995980), (10, 1397186), (14, 997990), (20, 698593), (28, 498995), (35, 399196), (49, 285140), (53, 263620), (70, 199598), (98, 142570), (106, 131810), (140, 99799), (196, 71285), (212, 65905), (245, 57028), (265, 52724), (269, 51940), (371, 37660), (490, 28514), (530, 26362), (538, 25970), (742, 18830), (980, 14257), (1060, 13181), (1076, 12985), (1345, 10388), (1484, 9415), (1855, 7532), (1883, 7420), (2597, 5380), (2690, 5194), (3710, 3766)]