889969340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{7393}}^1$

素因数の和:7878

約数の個数: 48

約数和(自身を含む): 2017319808

約数和(自身を除く): 1127350468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 463, 926, 1852, 2315, 4630, 6019, 7393, 9260, 12038, 14786, 24076, 29572, 30095, 36965, 60190, 73930, 96109, 120380, 147860, 192218, 384436, 480545, 961090, 1922180, 3422959, 6845918, 13691836, 17114795, 34229590, 44498467, 68459180, 88996934, 177993868, 222492335, 444984670, 889969340]

約数ペア:

[(1, 889969340), (2, 444984670), (4, 222492335), (5, 177993868), (10, 88996934), (13, 68459180), (20, 44498467), (26, 34229590), (52, 17114795), (65, 13691836), (130, 6845918), (260, 3422959), (463, 1922180), (926, 961090), (1852, 480545), (2315, 384436), (4630, 192218), (6019, 147860), (7393, 120380), (9260, 96109), (12038, 73930), (14786, 60190), (24076, 36965), (29572, 30095)]