678163070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 1337817600

約数和(自身を除く): 659654530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 157, 223, 298, 314, 446, 745, 785, 1115, 1490, 1570, 1937, 2041, 2230, 2899, 3874, 4082, 5798, 9685, 10205, 14495, 19370, 20410, 23393, 28990, 33227, 35011, 46786, 66454, 70022, 116965, 166135, 175055, 233930, 304109, 332270, 350110, 431951, 455143, 608218, 863902, 910286, 1520545, 2159755, 2275715, 3041090, 4319510, 4551430, 5216639, 10433278, 26083195, 52166390, 67816307, 135632614, 339081535, 678163070]

約数ペア:

[(1, 678163070), (2, 339081535), (5, 135632614), (10, 67816307), (13, 52166390), (26, 26083195), (65, 10433278), (130, 5216639), (149, 4551430), (157, 4319510), (223, 3041090), (298, 2275715), (314, 2159755), (446, 1520545), (745, 910286), (785, 863902), (1115, 608218), (1490, 455143), (1570, 431951), (1937, 350110), (2041, 332270), (2230, 304109), (2899, 233930), (3874, 175055), (4082, 166135), (5798, 116965), (9685, 70022), (10205, 66454), (14495, 46786), (19370, 35011), (20410, 33227), (23393, 28990)]