317387460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{406907}}^1$

素因数の和:406932

約数の個数: 48

約数和(自身を含む): 957047616

約数和(自身を除く): 639660156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 406907, 813814, 1220721, 1627628, 2034535, 2441442, 4069070, 4882884, 5289791, 6103605, 8138140, 10579582, 12207210, 15869373, 21159164, 24414420, 26448955, 31738746, 52897910, 63477492, 79346865, 105795820, 158693730, 317387460]

約数ペア:

[(1, 317387460), (2, 158693730), (3, 105795820), (4, 79346865), (5, 63477492), (6, 52897910), (10, 31738746), (12, 26448955), (13, 24414420), (15, 21159164), (20, 15869373), (26, 12207210), (30, 10579582), (39, 8138140), (52, 6103605), (60, 5289791), (65, 4882884), (78, 4069070), (130, 2441442), (156, 2034535), (195, 1627628), (260, 1220721), (390, 813814), (780, 406907)]