399365460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{170669}}^1$

素因数の和:170697

約数の個数: 72

約数和(自身を含む): 1304601480

約数和(自身を除く): 905236020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 170669, 341338, 512007, 682676, 853345, 1024014, 1536021, 1706690, 2048028, 2218697, 2560035, 3072042, 3413380, 4437394, 5120070, 6144084, 6656091, 7680105, 8874788, 10240140, 11093485, 13312182, 15360210, 19968273, 22186970, 26624364, 30720420, 33280455, 39936546, 44373940, 66560910, 79873092, 99841365, 133121820, 199682730, 399365460]

約数ペア:

[(1, 399365460), (2, 199682730), (3, 133121820), (4, 99841365), (5, 79873092), (6, 66560910), (9, 44373940), (10, 39936546), (12, 33280455), (13, 30720420), (15, 26624364), (18, 22186970), (20, 19968273), (26, 15360210), (30, 13312182), (36, 11093485), (39, 10240140), (45, 8874788), (52, 7680105), (60, 6656091), (65, 6144084), (78, 5120070), (90, 4437394), (117, 3413380), (130, 3072042), (156, 2560035), (180, 2218697), (195, 2048028), (234, 1706690), (260, 1536021), (390, 1024014), (468, 853345), (585, 682676), (780, 512007), (1170, 341338), (2340, 170669)]