290419220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{159571}}^1$

素因数の和:159600

約数の個数: 48

約数和(自身を含む): 750626688

約数和(自身を除く): 460207468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 159571, 319142, 638284, 797855, 1116997, 1595710, 2074423, 2233994, 3191420, 4148846, 4467988, 5584985, 8297692, 10372115, 11169970, 14520961, 20744230, 22339940, 29041922, 41488460, 58083844, 72604805, 145209610, 290419220]

約数ペア:

[(1, 290419220), (2, 145209610), (4, 72604805), (5, 58083844), (7, 41488460), (10, 29041922), (13, 22339940), (14, 20744230), (20, 14520961), (26, 11169970), (28, 10372115), (35, 8297692), (52, 5584985), (65, 4467988), (70, 4148846), (91, 3191420), (130, 2233994), (140, 2074423), (182, 1595710), (260, 1116997), (364, 797855), (455, 638284), (910, 319142), (1820, 159571)]