421139960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1523}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 983162880

約数和(自身を除く): 562022920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 248, 310, 446, 620, 892, 1115, 1240, 1523, 1784, 2230, 3046, 4460, 6092, 6913, 7615, 8920, 12184, 13826, 15230, 27652, 30460, 34565, 47213, 55304, 60920, 69130, 94426, 138260, 188852, 236065, 276520, 339629, 377704, 472130, 679258, 944260, 1358516, 1698145, 1888520, 2717032, 3396290, 6792580, 10528499, 13585160, 21056998, 42113996, 52642495, 84227992, 105284990, 210569980, 421139960]

約数ペア:

[(1, 421139960), (2, 210569980), (4, 105284990), (5, 84227992), (8, 52642495), (10, 42113996), (20, 21056998), (31, 13585160), (40, 10528499), (62, 6792580), (124, 3396290), (155, 2717032), (223, 1888520), (248, 1698145), (310, 1358516), (446, 944260), (620, 679258), (892, 472130), (1115, 377704), (1240, 339629), (1523, 276520), (1784, 236065), (2230, 188852), (3046, 138260), (4460, 94426), (6092, 69130), (6913, 60920), (7615, 55304), (8920, 47213), (12184, 34565), (13826, 30460), (15230, 27652)]