212947280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29251}}^1$

素因数の和:29284

約数の個数: 80

約数和(自身を含む): 609377664

約数和(自身を除く): 396430384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 29251, 58502, 117004, 146255, 204757, 234008, 292510, 380263, 409514, 468016, 585020, 760526, 819028, 1023785, 1170040, 1521052, 1638056, 1901315, 2047570, 2340080, 2661841, 3042104, 3276112, 3802630, 4095140, 5323682, 6084208, 7605260, 8190280, 10647364, 13309205, 15210520, 16380560, 21294728, 26618410, 30421040, 42589456, 53236820, 106473640, 212947280]

約数ペア:

[(1, 212947280), (2, 106473640), (4, 53236820), (5, 42589456), (7, 30421040), (8, 26618410), (10, 21294728), (13, 16380560), (14, 15210520), (16, 13309205), (20, 10647364), (26, 8190280), (28, 7605260), (35, 6084208), (40, 5323682), (52, 4095140), (56, 3802630), (65, 3276112), (70, 3042104), (80, 2661841), (91, 2340080), (104, 2047570), (112, 1901315), (130, 1638056), (140, 1521052), (182, 1170040), (208, 1023785), (260, 819028), (280, 760526), (364, 585020), (455, 468016), (520, 409514), (560, 380263), (728, 292510), (910, 234008), (1040, 204757), (1456, 146255), (1820, 117004), (3640, 58502), (7280, 29251)]