919458260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20333}}^1$

素因数の和:20385

約数の個数: 96

約数和(自身を含む): 2459600640

約数和(自身を除く): 1540142380

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 4522, 6460, 9044, 11305, 20333, 22610, 40666, 45220, 81332, 101665, 142331, 203330, 284662, 345661, 386327, 406660, 569324, 691322, 711655, 772654, 1382644, 1423310, 1545308, 1728305, 1931635, 2419627, 2704289, 2846620, 3456610, 3863270, 4839254, 5408578, 6567559, 6913220, 7726540, 9678508, 10817156, 12098135, 13135118, 13521445, 24196270, 26270236, 27042890, 32837795, 45972913, 48392540, 54085780, 65675590, 91945826, 131351180, 183891652, 229864565, 459729130, 919458260]

約数ペア:

[(1, 919458260), (2, 459729130), (4, 229864565), (5, 183891652), (7, 131351180), (10, 91945826), (14, 65675590), (17, 54085780), (19, 48392540), (20, 45972913), (28, 32837795), (34, 27042890), (35, 26270236), (38, 24196270), (68, 13521445), (70, 13135118), (76, 12098135), (85, 10817156), (95, 9678508), (119, 7726540), (133, 6913220), (140, 6567559), (170, 5408578), (190, 4839254), (238, 3863270), (266, 3456610), (323, 2846620), (340, 2704289), (380, 2419627), (476, 1931635), (532, 1728305), (595, 1545308), (646, 1423310), (665, 1382644), (1190, 772654), (1292, 711655), (1330, 691322), (1615, 569324), (2261, 406660), (2380, 386327), (2660, 345661), (3230, 284662), (4522, 203330), (6460, 142331), (9044, 101665), (11305, 81332), (20333, 45220), (22610, 40666)]