2841020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 7507584

約数和(自身を除く): 4666564

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 223, 245, 260, 364, 446, 455, 490, 637, 892, 910, 980, 1115, 1274, 1561, 1820, 2230, 2548, 2899, 3122, 3185, 4460, 5798, 6244, 6370, 7805, 10927, 11596, 12740, 14495, 15610, 20293, 21854, 28990, 31220, 40586, 43708, 54635, 57980, 81172, 101465, 109270, 142051, 202930, 218540, 284102, 405860, 568204, 710255, 1420510, 2841020]

約数ペア:

[(1, 2841020), (2, 1420510), (4, 710255), (5, 568204), (7, 405860), (10, 284102), (13, 218540), (14, 202930), (20, 142051), (26, 109270), (28, 101465), (35, 81172), (49, 57980), (52, 54635), (65, 43708), (70, 40586), (91, 31220), (98, 28990), (130, 21854), (140, 20293), (182, 15610), (196, 14495), (223, 12740), (245, 11596), (260, 10927), (364, 7805), (446, 6370), (455, 6244), (490, 5798), (637, 4460), (892, 3185), (910, 3122), (980, 2899), (1115, 2548), (1274, 2230), (1561, 1820)]