28816060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 75866112

約数和(自身を除く): 47050052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 182, 223, 260, 284, 355, 364, 446, 455, 497, 710, 892, 910, 923, 994, 1115, 1420, 1561, 1820, 1846, 1988, 2230, 2485, 2899, 3122, 3692, 4460, 4615, 4970, 5798, 6244, 6461, 7805, 9230, 9940, 11596, 12922, 14495, 15610, 15833, 18460, 20293, 25844, 28990, 31220, 31666, 32305, 40586, 57980, 63332, 64610, 79165, 81172, 101465, 110831, 129220, 158330, 202930, 205829, 221662, 316660, 405860, 411658, 443324, 554155, 823316, 1029145, 1108310, 1440803, 2058290, 2216620, 2881606, 4116580, 5763212, 7204015, 14408030, 28816060]

約数ペア:

[(1, 28816060), (2, 14408030), (4, 7204015), (5, 5763212), (7, 4116580), (10, 2881606), (13, 2216620), (14, 2058290), (20, 1440803), (26, 1108310), (28, 1029145), (35, 823316), (52, 554155), (65, 443324), (70, 411658), (71, 405860), (91, 316660), (130, 221662), (140, 205829), (142, 202930), (182, 158330), (223, 129220), (260, 110831), (284, 101465), (355, 81172), (364, 79165), (446, 64610), (455, 63332), (497, 57980), (710, 40586), (892, 32305), (910, 31666), (923, 31220), (994, 28990), (1115, 25844), (1420, 20293), (1561, 18460), (1820, 15833), (1846, 15610), (1988, 14495), (2230, 12922), (2485, 11596), (2899, 9940), (3122, 9230), (3692, 7805), (4460, 6461), (4615, 6244), (4970, 5798)]