266987140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{12799}}^1$

素因数の和:12964

約数の個数: 48

約数和(自身を含む): 645120000

約数和(自身を除く): 378132860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 12799, 20860, 25598, 51196, 63995, 89593, 127990, 179186, 255980, 358372, 447965, 895930, 1791860, 1907051, 3814102, 7628204, 9535255, 13349357, 19070510, 26698714, 38141020, 53397428, 66746785, 133493570, 266987140]

約数ペア:

[(1, 266987140), (2, 133493570), (4, 66746785), (5, 53397428), (7, 38141020), (10, 26698714), (14, 19070510), (20, 13349357), (28, 9535255), (35, 7628204), (70, 3814102), (140, 1907051), (149, 1791860), (298, 895930), (596, 447965), (745, 358372), (1043, 255980), (1490, 179186), (2086, 127990), (2980, 89593), (4172, 63995), (5215, 51196), (10430, 25598), (12799, 20860)]