890335940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{1093}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 2034853128

約数和(自身を除く): 1144517188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 241, 260, 338, 482, 676, 845, 964, 1093, 1205, 1690, 2186, 2410, 3133, 3380, 4372, 4820, 5465, 6266, 10930, 12532, 14209, 15665, 21860, 28418, 31330, 40729, 56836, 62660, 71045, 81458, 142090, 162916, 184717, 203645, 263413, 284180, 369434, 407290, 526826, 738868, 814580, 923585, 1053652, 1317065, 1847170, 2634130, 3424369, 3694340, 5268260, 6848738, 13697476, 17121845, 34243690, 44516797, 68487380, 89033594, 178067188, 222583985, 445167970, 890335940]

約数ペア:

[(1, 890335940), (2, 445167970), (4, 222583985), (5, 178067188), (10, 89033594), (13, 68487380), (20, 44516797), (26, 34243690), (52, 17121845), (65, 13697476), (130, 6848738), (169, 5268260), (241, 3694340), (260, 3424369), (338, 2634130), (482, 1847170), (676, 1317065), (845, 1053652), (964, 923585), (1093, 814580), (1205, 738868), (1690, 526826), (2186, 407290), (2410, 369434), (3133, 284180), (3380, 263413), (4372, 203645), (4820, 184717), (5465, 162916), (6266, 142090), (10930, 81458), (12532, 71045), (14209, 62660), (15665, 56836), (21860, 40729), (28418, 31330)]